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Finding the Fourth Proportional to 91,593.53, 126,460.73 and 57,190.63

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Solution

The fourth proportional to 91,593.53, 126,460.73 and 57,190.63 is: 78,961.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,593.53 : 126,460.73 = 57,190.63 : x
  2. Step 2: Convert to fraction form
    91,593.53/126,460.73 = 57,190.63/x
  3. Step 3: Cross multiply
    91,593.53x = 126,460.73 × 57,190.63
  4. Step 4: Simplify right side
    91,593.53x = 7,232,368,818.96
  5. Step 5: Solve for x
    x = 7,232,368,818.96/91,593.53
  6. Step 6: Final answer
    x = 78,961.57

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