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Finding the Fourth Proportional to 91,803.57, 126,681.48 and 51,511.74

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Solution

The fourth proportional to 91,803.57, 126,681.48 and 51,511.74 is: 71,082.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,803.57 : 126,681.48 = 51,511.74 : x
  2. Step 2: Convert to fraction form
    91,803.57/126,681.48 = 51,511.74/x
  3. Step 3: Cross multiply
    91,803.57x = 126,681.48 × 51,511.74
  4. Step 4: Simplify right side
    91,803.57x = 6,525,583,460.58
  5. Step 5: Solve for x
    x = 6,525,583,460.58/91,803.57
  6. Step 6: Final answer
    x = 71,082.02

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