Finding the Fourth Proportional to 2,616.75, 3,924.52 and 974.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,616.75 : 3,924.52 = 974.07 : x
2. Step 2: Convert to fraction form
   2,616.75/3,924.52 = 974.07/x
3. Step 3: Cross multiply
   2,616.75x = 3,924.52 × 974.07
4. Step 4: Simplify right side
   2,616.75x = 3,822,757.20
5. Step 5: Solve for x
   x = 3,822,757.20/2,616.75
6. Step 6: Final answer
   x = 1,460.88