Finding the Fourth Proportional to 2,713.59, 4,063.86 and 1,393.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,713.59 : 4,063.86 = 1,393.86 : x
2. Step 2: Convert to fraction form
   2,713.59/4,063.86 = 1,393.86/x
3. Step 3: Cross multiply
   2,713.59x = 4,063.86 × 1,393.86
4. Step 4: Simplify right side
   2,713.59x = 5,664,451.90
5. Step 5: Solve for x
   x = 5,664,451.90/2,713.59
6. Step 6: Final answer
   x = 2,087.44