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Finding the Fourth Proportional to 7,717.03, 11,573.15 and 2,786.03

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Solution

The fourth proportional to 7,717.03, 11,573.15 and 2,786.03 is: 4,178.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.03 : 11,573.15 = 2,786.03 : x
  2. Step 2: Convert to fraction form
    7,717.03/11,573.15 = 2,786.03/x
  3. Step 3: Cross multiply
    7,717.03x = 11,573.15 × 2,786.03
  4. Step 4: Simplify right side
    7,717.03x = 32,243,071.30
  5. Step 5: Solve for x
    x = 32,243,071.30/7,717.03
  6. Step 6: Final answer
    x = 4,178.17

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