Finding the Fourth Proportional to 2,505.53, 3,758.46 and 656.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,505.53 : 3,758.46 = 656.69 : x
2. Step 2: Convert to fraction form
   2,505.53/3,758.46 = 656.69/x
3. Step 3: Cross multiply
   2,505.53x = 3,758.46 × 656.69
4. Step 4: Simplify right side
   2,505.53x = 2,468,143.10
5. Step 5: Solve for x
   x = 2,468,143.10/2,505.53
6. Step 6: Final answer
   x = 985.08