Finding the Fourth Proportional to 9,512.38, 13,128.51 and 5,535.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,512.38 : 13,128.51 = 5,535.82 : x
2. Step 2: Convert to fraction form
   9,512.38/13,128.51 = 5,535.82/x
3. Step 3: Cross multiply
   9,512.38x = 13,128.51 × 5,535.82
4. Step 4: Simplify right side
   9,512.38x = 72,677,068.23
5. Step 5: Solve for x
   x = 72,677,068.23/9,512.38
6. Step 6: Final answer
   x = 7,640.26