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Finding the Fourth Proportional to 572,261.40, 858,392.10 and 172,963.80

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Solution

The fourth proportional to 572,261.40, 858,392.10 and 172,963.80 is: 259,445.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,261.40 : 858,392.10 = 172,963.80 : x
  2. Step 2: Convert to fraction form
    572,261.40/858,392.10 = 172,963.80/x
  3. Step 3: Cross multiply
    572,261.40x = 858,392.10 × 172,963.80
  4. Step 4: Simplify right side
    572,261.40x = 148,470,759,505.98
  5. Step 5: Solve for x
    x = 148,470,759,505.98/572,261.40
  6. Step 6: Final answer
    x = 259,445.70

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