Finding the Fourth Proportional to 8,793.91, 12,136.56 and 5,607.32

Step by Step Solution

1. Step 1: Write the proportion equation
   8,793.91 : 12,136.56 = 5,607.32 : x
2. Step 2: Convert to fraction form
   8,793.91/12,136.56 = 5,607.32/x
3. Step 3: Cross multiply
   8,793.91x = 12,136.56 × 5,607.32
4. Step 4: Simplify right side
   8,793.91x = 68,053,575.62
5. Step 5: Solve for x
   x = 68,053,575.62/8,793.91
6. Step 6: Final answer
   x = 7,738.72