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Finding the Fourth Proportional to 76,840.55, 115,274.04 and 23,531.21

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Solution

The fourth proportional to 76,840.55, 115,274.04 and 23,531.21 is: 35,300.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,840.55 : 115,274.04 = 23,531.21 : x
  2. Step 2: Convert to fraction form
    76,840.55/115,274.04 = 23,531.21/x
  3. Step 3: Cross multiply
    76,840.55x = 115,274.04 × 23,531.21
  4. Step 4: Simplify right side
    76,840.55x = 2,712,537,410.45
  5. Step 5: Solve for x
    x = 2,712,537,410.45/76,840.55
  6. Step 6: Final answer
    x = 35,300.86

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