Finding the Fourth Proportional to 2,616.16, 3,925.80 and 1,156.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,616.16 : 3,925.80 = 1,156.48 : x
2. Step 2: Convert to fraction form
   2,616.16/3,925.80 = 1,156.48/x
3. Step 3: Cross multiply
   2,616.16x = 3,925.80 × 1,156.48
4. Step 4: Simplify right side
   2,616.16x = 4,540,109.18
5. Step 5: Solve for x
   x = 4,540,109.18/2,616.16
6. Step 6: Final answer
   x = 1,735.41