Finding the Fourth Proportional to 2,617.91, 3,925.68 and 974.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,617.91 : 3,925.68 = 974.45 : x
2. Step 2: Convert to fraction form
   2,617.91/3,925.68 = 974.45/x
3. Step 3: Cross multiply
   2,617.91x = 3,925.68 × 974.45
4. Step 4: Simplify right side
   2,617.91x = 3,825,359.25
5. Step 5: Solve for x
   x = 3,825,359.25/2,617.91
6. Step 6: Final answer
   x = 1,461.23