Finding the Fourth Proportional to 2,042.30, 3,061.94 and 654.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.30 : 3,061.94 = 654.84 : x
2. Step 2: Convert to fraction form
   2,042.30/3,061.94 = 654.84/x
3. Step 3: Cross multiply
   2,042.30x = 3,061.94 × 654.84
4. Step 4: Simplify right side
   2,042.30x = 2,005,080.79
5. Step 5: Solve for x
   x = 2,005,080.79/2,042.30
6. Step 6: Final answer
   x = 981.78