Finding the Fourth Proportional to 10,502.72, 14,493.96 and 5,787.44

Step by Step Solution

1. Step 1: Write the proportion equation
   10,502.72 : 14,493.96 = 5,787.44 : x
2. Step 2: Convert to fraction form
   10,502.72/14,493.96 = 5,787.44/x
3. Step 3: Cross multiply
   10,502.72x = 14,493.96 × 5,787.44
4. Step 4: Simplify right side
   10,502.72x = 83,882,923.86
5. Step 5: Solve for x
   x = 83,882,923.86/10,502.72
6. Step 6: Final answer
   x = 7,986.78