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Finding the Fourth Proportional to 7,912.59, 11,868.79 and 2,365.98

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Solution

The fourth proportional to 7,912.59, 11,868.79 and 2,365.98 is: 3,548.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912.59 : 11,868.79 = 2,365.98 : x
  2. Step 2: Convert to fraction form
    7,912.59/11,868.79 = 2,365.98/x
  3. Step 3: Cross multiply
    7,912.59x = 11,868.79 × 2,365.98
  4. Step 4: Simplify right side
    7,912.59x = 28,081,319.76
  5. Step 5: Solve for x
    x = 28,081,319.76/7,912.59
  6. Step 6: Final answer
    x = 3,548.94

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