Finding the Fourth Proportional to 1,456.61, 2,185.82 and 590.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456.61 : 2,185.82 = 590.92 : x
2. Step 2: Convert to fraction form
   1,456.61/2,185.82 = 590.92/x
3. Step 3: Cross multiply
   1,456.61x = 2,185.82 × 590.92
4. Step 4: Simplify right side
   1,456.61x = 1,291,638.55
5. Step 5: Solve for x
   x = 1,291,638.55/1,456.61
6. Step 6: Final answer
   x = 886.75