Finding the Fourth Proportional to 10,711.62, 14,701.86 and 9,715.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,711.62 : 14,701.86 = 9,715.32 : x
2. Step 2: Convert to fraction form
   10,711.62/14,701.86 = 9,715.32/x
3. Step 3: Cross multiply
   10,711.62x = 14,701.86 × 9,715.32
4. Step 4: Simplify right side
   10,711.62x = 142,833,274.50
5. Step 5: Solve for x
   x = 142,833,274.50/10,711.62
6. Step 6: Final answer
   x = 13,334.42