Finding the Fourth Proportional to 9,508.38, 13,124.37 and 5,531.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,508.38 : 13,124.37 = 5,531.28 : x
2. Step 2: Convert to fraction form
   9,508.38/13,124.37 = 5,531.28/x
3. Step 3: Cross multiply
   9,508.38x = 13,124.37 × 5,531.28
4. Step 4: Simplify right side
   9,508.38x = 72,594,565.29
5. Step 5: Solve for x
   x = 72,594,565.29/9,508.38
6. Step 6: Final answer
   x = 7,634.80