Finding the Fourth Proportional to 2,093.54, 3,131.76 and 1,393.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,093.54 : 3,131.76 = 1,393.70 : x
2. Step 2: Convert to fraction form
   2,093.54/3,131.76 = 1,393.70/x
3. Step 3: Cross multiply
   2,093.54x = 3,131.76 × 1,393.70
4. Step 4: Simplify right side
   2,093.54x = 4,364,733.91
5. Step 5: Solve for x
   x = 4,364,733.91/2,093.54
6. Step 6: Final answer
   x = 2,084.86