Finding the Fourth Proportional to 9,684.48, 13,363.92 and 5,435.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,684.48 : 13,363.92 = 5,435.04 : x
2. Step 2: Convert to fraction form
   9,684.48/13,363.92 = 5,435.04/x
3. Step 3: Cross multiply
   9,684.48x = 13,363.92 × 5,435.04
4. Step 4: Simplify right side
   9,684.48x = 72,633,439.76
5. Step 5: Solve for x
   x = 72,633,439.76/9,684.48
6. Step 6: Final answer
   x = 7,499.98