Finding the Fourth Proportional to 2,387.91, 3,296.45 and 1,592.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,387.91 : 3,296.45 = 1,592.55 : x
2. Step 2: Convert to fraction form
   2,387.91/3,296.45 = 1,592.55/x
3. Step 3: Cross multiply
   2,387.91x = 3,296.45 × 1,592.55
4. Step 4: Simplify right side
   2,387.91x = 5,249,761.45
5. Step 5: Solve for x
   x = 5,249,761.45/2,387.91
6. Step 6: Final answer
   x = 2,198.48