Finding the Fourth Proportional to 10,331.72, 14,257.82 and 5,616

Step by Step Solution

1. Step 1: Write the proportion equation
   10,331.72 : 14,257.82 = 5,616 : x
2. Step 2: Convert to fraction form
   10,331.72/14,257.82 = 5,616/x
3. Step 3: Cross multiply
   10,331.72x = 14,257.82 × 5,616
4. Step 4: Simplify right side
   10,331.72x = 80,071,931.16
5. Step 5: Solve for x
   x = 80,071,931.16/10,331.72
6. Step 6: Final answer
   x = 7,750.11