Finding the Fourth Proportional to 1,062.43, 1,466.18 and 590.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,062.43 : 1,466.18 = 590.31 : x
2. Step 2: Convert to fraction form
   1,062.43/1,466.18 = 590.31/x
3. Step 3: Cross multiply
   1,062.43x = 1,466.18 × 590.31
4. Step 4: Simplify right side
   1,062.43x = 865,499.98
5. Step 5: Solve for x
   x = 865,499.98/1,062.43
6. Step 6: Final answer
   x = 814.64