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Finding the Fourth Proportional to 74,487.09, 102,792.19 and 40,953.09

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Solution

The fourth proportional to 74,487.09, 102,792.19 and 40,953.09 is: 56,515.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,487.09 : 102,792.19 = 40,953.09 : x
  2. Step 2: Convert to fraction form
    74,487.09/102,792.19 = 40,953.09/x
  3. Step 3: Cross multiply
    74,487.09x = 102,792.19 × 40,953.09
  4. Step 4: Simplify right side
    74,487.09x = 4,209,658,168.24
  5. Step 5: Solve for x
    x = 4,209,658,168.24/74,487.09
  6. Step 6: Final answer
    x = 56,515.27

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