Finding the Fourth Proportional to 1,038.71, 1,433.42 and 590.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,038.71 : 1,433.42 = 590.52 : x
2. Step 2: Convert to fraction form
   1,038.71/1,433.42 = 590.52/x
3. Step 3: Cross multiply
   1,038.71x = 1,433.42 × 590.52
4. Step 4: Simplify right side
   1,038.71x = 846,469.48
5. Step 5: Solve for x
   x = 846,469.48/1,038.71
6. Step 6: Final answer
   x = 814.93