Finding the Fourth Proportional to 2,280.24, 3,146.76 and 1,395.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,280.24 : 3,146.76 = 1,395.72 : x
2. Step 2: Convert to fraction form
   2,280.24/3,146.76 = 1,395.72/x
3. Step 3: Cross multiply
   2,280.24x = 3,146.76 × 1,395.72
4. Step 4: Simplify right side
   2,280.24x = 4,391,995.87
5. Step 5: Solve for x
   x = 4,391,995.87/2,280.24
6. Step 6: Final answer
   x = 1,926.11