Finding the Fourth Proportional to 14,105.71, 19,464.98 and 7,731.18

Step by Step Solution

1. Step 1: Write the proportion equation
   14,105.71 : 19,464.98 = 7,731.18 : x
2. Step 2: Convert to fraction form
   14,105.71/19,464.98 = 7,731.18/x
3. Step 3: Cross multiply
   14,105.71x = 19,464.98 × 7,731.18
4. Step 4: Simplify right side
   14,105.71x = 150,487,264.08
5. Step 5: Solve for x
   x = 150,487,264.08/14,105.71
6. Step 6: Final answer
   x = 10,668.54