Finding the Fourth Proportional to 2,462.06, 3,397.82 and 1,399.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,462.06 : 3,397.82 = 1,399.61 : x
2. Step 2: Convert to fraction form
   2,462.06/3,397.82 = 1,399.61/x
3. Step 3: Cross multiply
   2,462.06x = 3,397.82 × 1,399.61
4. Step 4: Simplify right side
   2,462.06x = 4,755,624.35
5. Step 5: Solve for x
   x = 4,755,624.35/2,462.06
6. Step 6: Final answer
   x = 1,931.56