Finding the Fourth Proportional to 9,040.50, 12,475.76 and 5,061.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,040.50 : 12,475.76 = 5,061.61 : x
2. Step 2: Convert to fraction form
   9,040.50/12,475.76 = 5,061.61/x
3. Step 3: Cross multiply
   9,040.50x = 12,475.76 × 5,061.61
4. Step 4: Simplify right side
   9,040.50x = 63,147,431.57
5. Step 5: Solve for x
   x = 63,147,431.57/9,040.50
6. Step 6: Final answer
   x = 6,984.95