Finding the Fourth Proportional to 2,275.42, 3,410.60 and 1,299.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,275.42 : 3,410.60 = 1,299.38 : x
2. Step 2: Convert to fraction form
   2,275.42/3,410.60 = 1,299.38/x
3. Step 3: Cross multiply
   2,275.42x = 3,410.60 × 1,299.38
4. Step 4: Simplify right side
   2,275.42x = 4,431,665.43
5. Step 5: Solve for x
   x = 4,431,665.43/2,275.42
6. Step 6: Final answer
   x = 1,947.63