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Finding the Fourth Proportional to 12,624.86, 18,936.59 and 3,859.08

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Solution

The fourth proportional to 12,624.86, 18,936.59 and 3,859.08 is: 5,788.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,624.86 : 18,936.59 = 3,859.08 : x
  2. Step 2: Convert to fraction form
    12,624.86/18,936.59 = 3,859.08/x
  3. Step 3: Cross multiply
    12,624.86x = 18,936.59 × 3,859.08
  4. Step 4: Simplify right side
    12,624.86x = 73,077,796.44
  5. Step 5: Solve for x
    x = 73,077,796.44/12,624.86
  6. Step 6: Final answer
    x = 5,788.41

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