Finding the Fourth Proportional to 9,038.72, 12,482.56 and 8,060.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,038.72 : 12,482.56 = 8,060.80 : x
2. Step 2: Convert to fraction form
   9,038.72/12,482.56 = 8,060.80/x
3. Step 3: Cross multiply
   9,038.72x = 12,482.56 × 8,060.80
4. Step 4: Simplify right side
   9,038.72x = 100,619,419.65
5. Step 5: Solve for x
   x = 100,619,419.65/9,038.72
6. Step 6: Final answer
   x = 11,132.04