Finding the Fourth Proportional to 2,391.86, 3,586.88 and 832.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,391.86 : 3,586.88 = 832.41 : x
2. Step 2: Convert to fraction form
   2,391.86/3,586.88 = 832.41/x
3. Step 3: Cross multiply
   2,391.86x = 3,586.88 × 832.41
4. Step 4: Simplify right side
   2,391.86x = 2,985,756.86
5. Step 5: Solve for x
   x = 2,985,756.86/2,391.86
6. Step 6: Final answer
   x = 1,248.30