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Finding the Fourth Proportional to 572,076.80, 858,115.20 and 145,611.80

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Solution

The fourth proportional to 572,076.80, 858,115.20 and 145,611.80 is: 218,417.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,076.80 : 858,115.20 = 145,611.80 : x
  2. Step 2: Convert to fraction form
    572,076.80/858,115.20 = 145,611.80/x
  3. Step 3: Cross multiply
    572,076.80x = 858,115.20 × 145,611.80
  4. Step 4: Simplify right side
    572,076.80x = 124,951,698,879.36
  5. Step 5: Solve for x
    x = 124,951,698,879.36/572,076.80
  6. Step 6: Final answer
    x = 218,417.70

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