Finding the Fourth Proportional to 2,156.97, 3,240.06 and 1,544.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,156.97 : 3,240.06 = 1,544.61 : x
2. Step 2: Convert to fraction form
   2,156.97/3,240.06 = 1,544.61/x
3. Step 3: Cross multiply
   2,156.97x = 3,240.06 × 1,544.61
4. Step 4: Simplify right side
   2,156.97x = 5,004,605.15
5. Step 5: Solve for x
   x = 5,004,605.15/2,156.97
6. Step 6: Final answer
   x = 2,320.21