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Finding the Fourth Proportional to 7,192.58, 9,923.81 and 4,209.14

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Solution

The fourth proportional to 7,192.58, 9,923.81 and 4,209.14 is: 5,807.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.58 : 9,923.81 = 4,209.14 : x
  2. Step 2: Convert to fraction form
    7,192.58/9,923.81 = 4,209.14/x
  3. Step 3: Cross multiply
    7,192.58x = 9,923.81 × 4,209.14
  4. Step 4: Simplify right side
    7,192.58x = 41,770,709.39
  5. Step 5: Solve for x
    x = 41,770,709.39/7,192.58
  6. Step 6: Final answer
    x = 5,807.48

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