Finding the Fourth Proportional to 10,502.85, 14,493.56 and 5,787.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,502.85 : 14,493.56 = 5,787.15 : x
2. Step 2: Convert to fraction form
   10,502.85/14,493.56 = 5,787.15/x
3. Step 3: Cross multiply
   10,502.85x = 14,493.56 × 5,787.15
4. Step 4: Simplify right side
   10,502.85x = 83,876,376.82
5. Step 5: Solve for x
   x = 83,876,376.82/10,502.85
6. Step 6: Final answer
   x = 7,986.06