Finding the Fourth Proportional to 2,616.17, 3,925.28 and 1,154.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,616.17 : 3,925.28 = 1,154.30 : x
2. Step 2: Convert to fraction form
   2,616.17/3,925.28 = 1,154.30/x
3. Step 3: Cross multiply
   2,616.17x = 3,925.28 × 1,154.30
4. Step 4: Simplify right side
   2,616.17x = 4,530,925.31
5. Step 5: Solve for x
   x = 4,530,925.31/2,616.17
6. Step 6: Final answer
   x = 1,731.90