Finding the Fourth Proportional to 9,061.53, 12,498.59 and 8,756.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,061.53 : 12,498.59 = 8,756.72 : x
2. Step 2: Convert to fraction form
   9,061.53/12,498.59 = 8,756.72/x
3. Step 3: Cross multiply
   9,061.53x = 12,498.59 × 8,756.72
4. Step 4: Simplify right side
   9,061.53x = 109,446,662.38
5. Step 5: Solve for x
   x = 109,446,662.38/9,061.53
6. Step 6: Final answer
   x = 12,078.17