Finding the Fourth Proportional to 8,899.88, 12,275.15 and 7,491.08

Step by Step Solution

1. Step 1: Write the proportion equation
   8,899.88 : 12,275.15 = 7,491.08 : x
2. Step 2: Convert to fraction form
   8,899.88/12,275.15 = 7,491.08/x
3. Step 3: Cross multiply
   8,899.88x = 12,275.15 × 7,491.08
4. Step 4: Simplify right side
   8,899.88x = 91,954,123.89
5. Step 5: Solve for x
   x = 91,954,123.89/8,899.88
6. Step 6: Final answer
   x = 10,332.07