Finding the Fourth Proportional to 2,040.60, 3,061.71 and 654.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,040.60 : 3,061.71 = 654.15 : x
2. Step 2: Convert to fraction form
   2,040.60/3,061.71 = 654.15/x
3. Step 3: Cross multiply
   2,040.60x = 3,061.71 × 654.15
4. Step 4: Simplify right side
   2,040.60x = 2,002,817.60
5. Step 5: Solve for x
   x = 2,002,817.60/2,040.60
6. Step 6: Final answer
   x = 981.48