Finding the Fourth Proportional to 1,038.73, 1,433.31 and 590.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,038.73 : 1,433.31 = 590.59 : x
2. Step 2: Convert to fraction form
   1,038.73/1,433.31 = 590.59/x
3. Step 3: Cross multiply
   1,038.73x = 1,433.31 × 590.59
4. Step 4: Simplify right side
   1,038.73x = 846,491.39
5. Step 5: Solve for x
   x = 846,491.39/1,038.73
6. Step 6: Final answer
   x = 814.93