Finding the Fourth Proportional to 8,081.16, 12,123.50 and 7,264.68

Step by Step Solution

1. Step 1: Write the proportion equation
   8,081.16 : 12,123.50 = 7,264.68 : x
2. Step 2: Convert to fraction form
   8,081.16/12,123.50 = 7,264.68/x
3. Step 3: Cross multiply
   8,081.16x = 12,123.50 × 7,264.68
4. Step 4: Simplify right side
   8,081.16x = 88,073,347.98
5. Step 5: Solve for x
   x = 88,073,347.98/8,081.16
6. Step 6: Final answer
   x = 10,898.60