Finding the Fourth Proportional to 9,040.60, 12,474.94 and 5,061.40

Step by Step Solution

1. Step 1: Write the proportion equation
   9,040.60 : 12,474.94 = 5,061.40 : x
2. Step 2: Convert to fraction form
   9,040.60/12,474.94 = 5,061.40/x
3. Step 3: Cross multiply
   9,040.60x = 12,474.94 × 5,061.40
4. Step 4: Simplify right side
   9,040.60x = 63,140,661.32
5. Step 5: Solve for x
   x = 63,140,661.32/9,040.60
6. Step 6: Final answer
   x = 6,984.12