Finding the Fourth Proportional to 10,713.86, 14,789.76 and 8,061.92

Step by Step Solution

1. Step 1: Write the proportion equation
   10,713.86 : 14,789.76 = 8,061.92 : x
2. Step 2: Convert to fraction form
   10,713.86/14,789.76 = 8,061.92/x
3. Step 3: Cross multiply
   10,713.86x = 14,789.76 × 8,061.92
4. Step 4: Simplify right side
   10,713.86x = 119,233,861.94
5. Step 5: Solve for x
   x = 119,233,861.94/10,713.86
6. Step 6: Final answer
   x = 11,128.94