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Finding the Fourth Proportional to 42,541.09, 63,820.86 and 12,958.15

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Solution

The fourth proportional to 42,541.09, 63,820.86 and 12,958.15 is: 19,440.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,541.09 : 63,820.86 = 12,958.15 : x
  2. Step 2: Convert to fraction form
    42,541.09/63,820.86 = 12,958.15/x
  3. Step 3: Cross multiply
    42,541.09x = 63,820.86 × 12,958.15
  4. Step 4: Simplify right side
    42,541.09x = 827,000,277.01
  5. Step 5: Solve for x
    x = 827,000,277.01/42,541.09
  6. Step 6: Final answer
    x = 19,440.03

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