Finding the Fourth Proportional to 2,042.98, 3,064.43 and 656.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.98 : 3,064.43 = 656.31 : x
2. Step 2: Convert to fraction form
   2,042.98/3,064.43 = 656.31/x
3. Step 3: Cross multiply
   2,042.98x = 3,064.43 × 656.31
4. Step 4: Simplify right side
   2,042.98x = 2,011,216.05
5. Step 5: Solve for x
   x = 2,011,216.05/2,042.98
6. Step 6: Final answer
   x = 984.45