Finding the Fourth Proportional to 1,059.90, 1,462.53 and 587.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,059.90 : 1,462.53 = 587.73 : x
2. Step 2: Convert to fraction form
   1,059.90/1,462.53 = 587.73/x
3. Step 3: Cross multiply
   1,059.90x = 1,462.53 × 587.73
4. Step 4: Simplify right side
   1,059.90x = 859,572.76
5. Step 5: Solve for x
   x = 859,572.76/1,059.90
6. Step 6: Final answer
   x = 810.99