Finding the Fourth Proportional to 9,061.84, 12,499.02 and 8,757.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,061.84 : 12,499.02 = 8,757.03 : x
2. Step 2: Convert to fraction form
   9,061.84/12,499.02 = 8,757.03/x
3. Step 3: Cross multiply
   9,061.84x = 12,499.02 × 8,757.03
4. Step 4: Simplify right side
   9,061.84x = 109,454,339.98
5. Step 5: Solve for x
   x = 109,454,339.98/9,061.84
6. Step 6: Final answer
   x = 12,078.60