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Finding the Fourth Proportional to 13,695.06, 18,899.22 and 7,407.44

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Solution

The fourth proportional to 13,695.06, 18,899.22 and 7,407.44 is: 10,222.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,695.06 : 18,899.22 = 7,407.44 : x
  2. Step 2: Convert to fraction form
    13,695.06/18,899.22 = 7,407.44/x
  3. Step 3: Cross multiply
    13,695.06x = 18,899.22 × 7,407.44
  4. Step 4: Simplify right side
    13,695.06x = 139,994,838.20
  5. Step 5: Solve for x
    x = 139,994,838.20/13,695.06
  6. Step 6: Final answer
    x = 10,222.29

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