Finding the Fourth Proportional to 14,502.86, 21,751.29 and 5,143.18

Step by Step Solution

1. Step 1: Write the proportion equation
   14,502.86 : 21,751.29 = 5,143.18 : x
2. Step 2: Convert to fraction form
   14,502.86/21,751.29 = 5,143.18/x
3. Step 3: Cross multiply
   14,502.86x = 21,751.29 × 5,143.18
4. Step 4: Simplify right side
   14,502.86x = 111,870,799.70
5. Step 5: Solve for x
   x = 111,870,799.70/14,502.86
6. Step 6: Final answer
   x = 7,713.71