Finding the Fourth Proportional to 8,025.45, 12,098.24 and 7,490.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,025.45 : 12,098.24 = 7,490.31 : x
2. Step 2: Convert to fraction form
   8,025.45/12,098.24 = 7,490.31/x
3. Step 3: Cross multiply
   8,025.45x = 12,098.24 × 7,490.31
4. Step 4: Simplify right side
   8,025.45x = 90,619,530.60
5. Step 5: Solve for x
   x = 90,619,530.60/8,025.45
6. Step 6: Final answer
   x = 11,291.52