Finding the Fourth Proportional to 2,300.31, 3,449.43 and 656.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.31 : 3,449.43 = 656.47 : x
2. Step 2: Convert to fraction form
   2,300.31/3,449.43 = 656.47/x
3. Step 3: Cross multiply
   2,300.31x = 3,449.43 × 656.47
4. Step 4: Simplify right side
   2,300.31x = 2,264,426.78
5. Step 5: Solve for x
   x = 2,264,426.78/2,300.31
6. Step 6: Final answer
   x = 984.40