Finding the Fourth Proportional to 2,041.76, 3,061.92 and 654.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,041.76 : 3,061.92 = 654.80 : x
2. Step 2: Convert to fraction form
   2,041.76/3,061.92 = 654.80/x
3. Step 3: Cross multiply
   2,041.76x = 3,061.92 × 654.80
4. Step 4: Simplify right side
   2,041.76x = 2,004,945.22
5. Step 5: Solve for x
   x = 2,004,945.22/2,041.76
6. Step 6: Final answer
   x = 981.97