Finding the Fourth Proportional to 9,061.70, 12,505.07 and 5,082.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,061.70 : 12,505.07 = 5,082.80 : x
2. Step 2: Convert to fraction form
   9,061.70/12,505.07 = 5,082.80/x
3. Step 3: Cross multiply
   9,061.70x = 12,505.07 × 5,082.80
4. Step 4: Simplify right side
   9,061.70x = 63,560,681.86
5. Step 5: Solve for x
   x = 63,560,681.86/9,061.70
6. Step 6: Final answer
   x = 7,014.22