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Finding the Fourth Proportional to 93,157.88, 128,557.78 and 50,716.41

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Solution

The fourth proportional to 93,157.88, 128,557.78 and 50,716.41 is: 69,988.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,157.88 : 128,557.78 = 50,716.41 : x
  2. Step 2: Convert to fraction form
    93,157.88/128,557.78 = 50,716.41/x
  3. Step 3: Cross multiply
    93,157.88x = 128,557.78 × 50,716.41
  4. Step 4: Simplify right side
    93,157.88x = 6,519,989,079.17
  5. Step 5: Solve for x
    x = 6,519,989,079.17/93,157.88
  6. Step 6: Final answer
    x = 69,988.59

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