Finding the Fourth Proportional to 2,740.30, 3,781.24 and 1,545.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,740.30 : 3,781.24 = 1,545.28 : x
2. Step 2: Convert to fraction form
   2,740.30/3,781.24 = 1,545.28/x
3. Step 3: Cross multiply
   2,740.30x = 3,781.24 × 1,545.28
4. Step 4: Simplify right side
   2,740.30x = 5,843,074.55
5. Step 5: Solve for x
   x = 5,843,074.55/2,740.30
6. Step 6: Final answer
   x = 2,132.28