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Finding the Fourth Proportional to 18,559.71, 27,849.14 and 8,699.99

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Solution

The fourth proportional to 18,559.71, 27,849.14 and 8,699.99 is: 13,054.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,559.71 : 27,849.14 = 8,699.99 : x
  2. Step 2: Convert to fraction form
    18,559.71/27,849.14 = 8,699.99/x
  3. Step 3: Cross multiply
    18,559.71x = 27,849.14 × 8,699.99
  4. Step 4: Simplify right side
    18,559.71x = 242,287,239.51
  5. Step 5: Solve for x
    x = 242,287,239.51/18,559.71
  6. Step 6: Final answer
    x = 13,054.47

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