Finding the Fourth Proportional to 1,059.48, 1,462.17 and 587.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,059.48 : 1,462.17 = 587.43 : x
2. Step 2: Convert to fraction form
   1,059.48/1,462.17 = 587.43/x
3. Step 3: Cross multiply
   1,059.48x = 1,462.17 × 587.43
4. Step 4: Simplify right side
   1,059.48x = 858,919.24
5. Step 5: Solve for x
   x = 858,919.24/1,059.48
6. Step 6: Final answer
   x = 810.70