Finding the Fourth Proportional to 12,747.42, 17,591.32 and 7,082.17

Step by Step Solution

1. Step 1: Write the proportion equation
   12,747.42 : 17,591.32 = 7,082.17 : x
2. Step 2: Convert to fraction form
   12,747.42/17,591.32 = 7,082.17/x
3. Step 3: Cross multiply
   12,747.42x = 17,591.32 × 7,082.17
4. Step 4: Simplify right side
   12,747.42x = 124,584,683.35
5. Step 5: Solve for x
   x = 124,584,683.35/12,747.42
6. Step 6: Final answer
   x = 9,773.33