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Finding the Fourth Proportional to 85,503.96, 128,292.82 and 46,053.18

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Solution

The fourth proportional to 85,503.96, 128,292.82 and 46,053.18 is: 69,099.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,503.96 : 128,292.82 = 46,053.18 : x
  2. Step 2: Convert to fraction form
    85,503.96/128,292.82 = 46,053.18/x
  3. Step 3: Cross multiply
    85,503.96x = 128,292.82 × 46,053.18
  4. Step 4: Simplify right side
    85,503.96x = 5,908,292,332.17
  5. Step 5: Solve for x
    x = 5,908,292,332.17/85,503.96
  6. Step 6: Final answer
    x = 69,099.63

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