Finding the Fourth Proportional to 2,655.15, 3,981.62 and 1,154.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,655.15 : 3,981.62 = 1,154.27 : x
2. Step 2: Convert to fraction form
   2,655.15/3,981.62 = 1,154.27/x
3. Step 3: Cross multiply
   2,655.15x = 3,981.62 × 1,154.27
4. Step 4: Simplify right side
   2,655.15x = 4,595,838.84
5. Step 5: Solve for x
   x = 4,595,838.84/2,655.15
6. Step 6: Final answer
   x = 1,730.91