Finding the Fourth Proportional to 2,300.40, 3,449.55 and 656.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.40 : 3,449.55 = 656.56 : x
2. Step 2: Convert to fraction form
   2,300.40/3,449.55 = 656.56/x
3. Step 3: Cross multiply
   2,300.40x = 3,449.55 × 656.56
4. Step 4: Simplify right side
   2,300.40x = 2,264,836.55
5. Step 5: Solve for x
   x = 2,264,836.55/2,300.40
6. Step 6: Final answer
   x = 984.54