Finding the Fourth Proportional to 1,928.88, 2,894.82 and 1,381.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,928.88 : 2,894.82 = 1,381.56 : x
2. Step 2: Convert to fraction form
   1,928.88/2,894.82 = 1,381.56/x
3. Step 3: Cross multiply
   1,928.88x = 2,894.82 × 1,381.56
4. Step 4: Simplify right side
   1,928.88x = 3,999,367.52
5. Step 5: Solve for x
   x = 3,999,367.52/1,928.88
6. Step 6: Final answer
   x = 2,073.41