Finding the Fourth Proportional to 13,158.52, 19,737.92 and 7,608.49

Step by Step Solution

1. Step 1: Write the proportion equation
   13,158.52 : 19,737.92 = 7,608.49 : x
2. Step 2: Convert to fraction form
   13,158.52/19,737.92 = 7,608.49/x
3. Step 3: Cross multiply
   13,158.52x = 19,737.92 × 7,608.49
4. Step 4: Simplify right side
   13,158.52x = 150,175,736.62
5. Step 5: Solve for x
   x = 150,175,736.62/13,158.52
6. Step 6: Final answer
   x = 11,412.82