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Finding the Fourth Proportional to 66,077.16, 91,173.78 and 37,776.84

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Solution

The fourth proportional to 66,077.16, 91,173.78 and 37,776.84 is: 52,124.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,077.16 : 91,173.78 = 37,776.84 : x
  2. Step 2: Convert to fraction form
    66,077.16/91,173.78 = 37,776.84/x
  3. Step 3: Cross multiply
    66,077.16x = 91,173.78 × 37,776.84
  4. Step 4: Simplify right side
    66,077.16x = 3,444,257,299.26
  5. Step 5: Solve for x
    x = 3,444,257,299.26/66,077.16
  6. Step 6: Final answer
    x = 52,124.78

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