Finding the Fourth Proportional to 9,082.18, 12,533.36 and 5,103.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,082.18 : 12,533.36 = 5,103.28 : x
2. Step 2: Convert to fraction form
   9,082.18/12,533.36 = 5,103.28/x
3. Step 3: Cross multiply
   9,082.18x = 12,533.36 × 5,103.28
4. Step 4: Simplify right side
   9,082.18x = 63,961,188.57
5. Step 5: Solve for x
   x = 63,961,188.57/9,082.18
6. Step 6: Final answer
   x = 7,042.49