Finding the Fourth Proportional to 9,387.34, 12,951.99 and 5,608.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,387.34 : 12,951.99 = 5,608.83 : x
2. Step 2: Convert to fraction form
   9,387.34/12,951.99 = 5,608.83/x
3. Step 3: Cross multiply
   9,387.34x = 12,951.99 × 5,608.83
4. Step 4: Simplify right side
   9,387.34x = 72,645,510.07
5. Step 5: Solve for x
   x = 72,645,510.07/9,387.34
6. Step 6: Final answer
   x = 7,738.67