Finding the Fourth Proportional to 1,036.73, 1,430.55 and 588.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036.73 : 1,430.55 = 588.59 : x
2. Step 2: Convert to fraction form
   1,036.73/1,430.55 = 588.59/x
3. Step 3: Cross multiply
   1,036.73x = 1,430.55 × 588.59
4. Step 4: Simplify right side
   1,036.73x = 842,000.27
5. Step 5: Solve for x
   x = 842,000.27/1,036.73
6. Step 6: Final answer
   x = 812.17