Finding the Fourth Proportional to 2,293.31, 3,439.59 and 649.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,293.31 : 3,439.59 = 649.49 : x
2. Step 2: Convert to fraction form
   2,293.31/3,439.59 = 649.49/x
3. Step 3: Cross multiply
   2,293.31x = 3,439.59 × 649.49
4. Step 4: Simplify right side
   2,293.31x = 2,233,990.52
5. Step 5: Solve for x
   x = 2,233,990.52/2,293.31
6. Step 6: Final answer
   x = 974.13