Finding the Fourth Proportional to 9,569.52, 13,205.16 and 5,377.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,569.52 : 13,205.16 = 5,377.68 : x
2. Step 2: Convert to fraction form
   9,569.52/13,205.16 = 5,377.68/x
3. Step 3: Cross multiply
   9,569.52x = 13,205.16 × 5,377.68
4. Step 4: Simplify right side
   9,569.52x = 71,013,124.83
5. Step 5: Solve for x
   x = 71,013,124.83/9,569.52
6. Step 6: Final answer
   x = 7,420.76