Finding the Fourth Proportional to 2,087.41, 2,877.55 and 1,589.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,087.41 : 2,877.55 = 1,589.18 : x
2. Step 2: Convert to fraction form
   2,087.41/2,877.55 = 1,589.18/x
3. Step 3: Cross multiply
   2,087.41x = 2,877.55 × 1,589.18
4. Step 4: Simplify right side
   2,087.41x = 4,572,944.91
5. Step 5: Solve for x
   x = 4,572,944.91/2,087.41
6. Step 6: Final answer
   x = 2,190.73