Finding the Fourth Proportional to 10,715.30, 14,787.97 and 7,895.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,715.30 : 14,787.97 = 7,895.55 : x
2. Step 2: Convert to fraction form
   10,715.30/14,787.97 = 7,895.55/x
3. Step 3: Cross multiply
   10,715.30x = 14,787.97 × 7,895.55
4. Step 4: Simplify right side
   10,715.30x = 116,759,156.53
5. Step 5: Solve for x
   x = 116,759,156.53/10,715.30
6. Step 6: Final answer
   x = 10,896.49