Finding the Fourth Proportional to 9,061.25, 12,503.30 and 5,082.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,061.25 : 12,503.30 = 5,082.12 : x
2. Step 2: Convert to fraction form
   9,061.25/12,503.30 = 5,082.12/x
3. Step 3: Cross multiply
   9,061.25x = 12,503.30 × 5,082.12
4. Step 4: Simplify right side
   9,061.25x = 63,543,245.59
5. Step 5: Solve for x
   x = 63,543,245.59/9,061.25
6. Step 6: Final answer
   x = 7,012.64