Finding the Fourth Proportional to 1,878.39, 2,592.37 and 1,081.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,878.39 : 2,592.37 = 1,081.74 : x
2. Step 2: Convert to fraction form
   1,878.39/2,592.37 = 1,081.74/x
3. Step 3: Cross multiply
   1,878.39x = 2,592.37 × 1,081.74
4. Step 4: Simplify right side
   1,878.39x = 2,804,264.79
5. Step 5: Solve for x
   x = 2,804,264.79/1,878.39
6. Step 6: Final answer
   x = 1,492.91