Finding the Fourth Proportional to 2,387.62, 3,294.94 and 1,789.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,387.62 : 3,294.94 = 1,789.05 : x
2. Step 2: Convert to fraction form
   2,387.62/3,294.94 = 1,789.05/x
3. Step 3: Cross multiply
   2,387.62x = 3,294.94 × 1,789.05
4. Step 4: Simplify right side
   2,387.62x = 5,894,812.41
5. Step 5: Solve for x
   x = 5,894,812.41/2,387.62
6. Step 6: Final answer
   x = 2,468.91