Finding the Fourth Proportional to 2,387.52, 3,293.12 and 1,590.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,387.52 : 3,293.12 = 1,590.88 : x
2. Step 2: Convert to fraction form
   2,387.52/3,293.12 = 1,590.88/x
3. Step 3: Cross multiply
   2,387.52x = 3,293.12 × 1,590.88
4. Step 4: Simplify right side
   2,387.52x = 5,238,958.75
5. Step 5: Solve for x
   x = 5,238,958.75/2,387.52
6. Step 6: Final answer
   x = 2,194.31