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Finding the Fourth Proportional to 45,776.80, 68,665.20 and 44,999.20

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Solution

The fourth proportional to 45,776.80, 68,665.20 and 44,999.20 is: 67,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,776.80 : 68,665.20 = 44,999.20 : x
  2. Step 2: Convert to fraction form
    45,776.80/68,665.20 = 44,999.20/x
  3. Step 3: Cross multiply
    45,776.80x = 68,665.20 × 44,999.20
  4. Step 4: Simplify right side
    45,776.80x = 3,089,879,067.84
  5. Step 5: Solve for x
    x = 3,089,879,067.84/45,776.80
  6. Step 6: Final answer
    x = 67,498.80

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