Finding the Fourth Proportional to 9,040.28, 12,474.15 and 5,061.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,040.28 : 12,474.15 = 5,061.56 : x
2. Step 2: Convert to fraction form
   9,040.28/12,474.15 = 5,061.56/x
3. Step 3: Cross multiply
   9,040.28x = 12,474.15 × 5,061.56
4. Step 4: Simplify right side
   9,040.28x = 63,138,658.67
5. Step 5: Solve for x
   x = 63,138,658.67/9,040.28
6. Step 6: Final answer
   x = 6,984.15