Finding the Fourth Proportional to 2,713.58, 4,063.88 and 1,393.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,713.58 : 4,063.88 = 1,393.86 : x
2. Step 2: Convert to fraction form
   2,713.58/4,063.88 = 1,393.86/x
3. Step 3: Cross multiply
   2,713.58x = 4,063.88 × 1,393.86
4. Step 4: Simplify right side
   2,713.58x = 5,664,472.81
5. Step 5: Solve for x
   x = 5,664,472.81/2,713.58
6. Step 6: Final answer
   x = 2,087.46