Finding the Fourth Proportional to 2,461.59, 3,397.02 and 1,399.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,461.59 : 3,397.02 = 1,399.35 : x
2. Step 2: Convert to fraction form
   2,461.59/3,397.02 = 1,399.35/x
3. Step 3: Cross multiply
   2,461.59x = 3,397.02 × 1,399.35
4. Step 4: Simplify right side
   2,461.59x = 4,753,619.94
5. Step 5: Solve for x
   x = 4,753,619.94/2,461.59
6. Step 6: Final answer
   x = 1,931.12