Finding the Fourth Proportional to 7,500.66, 11,248.56 and 3,551.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,500.66 : 11,248.56 = 3,551.31 : x
2. Step 2: Convert to fraction form
   7,500.66/11,248.56 = 3,551.31/x
3. Step 3: Cross multiply
   7,500.66x = 11,248.56 × 3,551.31
4. Step 4: Simplify right side
   7,500.66x = 39,947,123.61
5. Step 5: Solve for x
   x = 39,947,123.61/7,500.66
6. Step 6: Final answer
   x = 5,325.81