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Finding the Fourth Proportional to 98,492.68, 135,886.17 and 56,040.58

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Solution

The fourth proportional to 98,492.68, 135,886.17 and 56,040.58 is: 77,316.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,492.68 : 135,886.17 = 56,040.58 : x
  2. Step 2: Convert to fraction form
    98,492.68/135,886.17 = 56,040.58/x
  3. Step 3: Cross multiply
    98,492.68x = 135,886.17 × 56,040.58
  4. Step 4: Simplify right side
    98,492.68x = 7,615,139,780.78
  5. Step 5: Solve for x
    x = 7,615,139,780.78/98,492.68
  6. Step 6: Final answer
    x = 77,316.81

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