Finding the Fourth Proportional to 10,672.52, 15,991.86 and 7,737.08

Step by Step Solution

1. Step 1: Write the proportion equation
   10,672.52 : 15,991.86 = 7,737.08 : x
2. Step 2: Convert to fraction form
   10,672.52/15,991.86 = 7,737.08/x
3. Step 3: Cross multiply
   10,672.52x = 15,991.86 × 7,737.08
4. Step 4: Simplify right side
   10,672.52x = 123,730,300.17
5. Step 5: Solve for x
   x = 123,730,300.17/10,672.52
6. Step 6: Final answer
   x = 11,593.35