Finding the Fourth Proportional to 2,617.88, 3,927.96 and 974.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,617.88 : 3,927.96 = 974.06 : x
2. Step 2: Convert to fraction form
   2,617.88/3,927.96 = 974.06/x
3. Step 3: Cross multiply
   2,617.88x = 3,927.96 × 974.06
4. Step 4: Simplify right side
   2,617.88x = 3,826,068.72
5. Step 5: Solve for x
   x = 3,826,068.72/2,617.88
6. Step 6: Final answer
   x = 1,461.51