Finding the Fourth Proportional to 2,446.86, 3,376.71 and 1,399.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,446.86 : 3,376.71 = 1,399.02 : x
2. Step 2: Convert to fraction form
   2,446.86/3,376.71 = 1,399.02/x
3. Step 3: Cross multiply
   2,446.86x = 3,376.71 × 1,399.02
4. Step 4: Simplify right side
   2,446.86x = 4,724,084.82
5. Step 5: Solve for x
   x = 4,724,084.82/2,446.86
6. Step 6: Final answer
   x = 1,930.67