Finding the Fourth Proportional to 2,614.88, 3,923.38 and 1,381.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,614.88 : 3,923.38 = 1,381.96 : x
2. Step 2: Convert to fraction form
   2,614.88/3,923.38 = 1,381.96/x
3. Step 3: Cross multiply
   2,614.88x = 3,923.38 × 1,381.96
4. Step 4: Simplify right side
   2,614.88x = 5,421,934.61
5. Step 5: Solve for x
   x = 5,421,934.61/2,614.88
6. Step 6: Final answer
   x = 2,073.50