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Finding the Fourth Proportional to 18,107.04, 27,162.48 and 7,719.84

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Solution

The fourth proportional to 18,107.04, 27,162.48 and 7,719.84 is: 11,580.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,107.04 : 27,162.48 = 7,719.84 : x
  2. Step 2: Convert to fraction form
    18,107.04/27,162.48 = 7,719.84/x
  3. Step 3: Cross multiply
    18,107.04x = 27,162.48 × 7,719.84
  4. Step 4: Simplify right side
    18,107.04x = 209,689,999.60
  5. Step 5: Solve for x
    x = 209,689,999.60/18,107.04
  6. Step 6: Final answer
    x = 11,580.58

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