Finding the Fourth Proportional to 8,331.32, 12,499.32 and 2,488.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,331.32 : 12,499.32 = 2,488.16 : x
2. Step 2: Convert to fraction form
   8,331.32/12,499.32 = 2,488.16/x
3. Step 3: Cross multiply
   8,331.32x = 12,499.32 × 2,488.16
4. Step 4: Simplify right side
   8,331.32x = 31,100,308.05
5. Step 5: Solve for x
   x = 31,100,308.05/8,331.32
6. Step 6: Final answer
   x = 3,732.94