Finding the Fourth Proportional to 9,385.76, 12,951.46 and 5,608.17

Step by Step Solution

1. Step 1: Write the proportion equation
   9,385.76 : 12,951.46 = 5,608.17 : x
2. Step 2: Convert to fraction form
   9,385.76/12,951.46 = 5,608.17/x
3. Step 3: Cross multiply
   9,385.76x = 12,951.46 × 5,608.17
4. Step 4: Simplify right side
   9,385.76x = 72,633,996.44
5. Step 5: Solve for x
   x = 72,633,996.44/9,385.76
6. Step 6: Final answer
   x = 7,738.75