Finding the Fourth Proportional to 2,086.04, 2,877.78 and 1,376.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.04 : 2,877.78 = 1,376.97 : x
2. Step 2: Convert to fraction form
   2,086.04/2,877.78 = 1,376.97/x
3. Step 3: Cross multiply
   2,086.04x = 2,877.78 × 1,376.97
4. Step 4: Simplify right side
   2,086.04x = 3,962,616.73
5. Step 5: Solve for x
   x = 3,962,616.73/2,086.04
6. Step 6: Final answer
   x = 1,899.59