Finding the Fourth Proportional to 1,038.89, 1,433.69 and 573.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,038.89 : 1,433.69 = 573.14 : x
2. Step 2: Convert to fraction form
   1,038.89/1,433.69 = 573.14/x
3. Step 3: Cross multiply
   1,038.89x = 1,433.69 × 573.14
4. Step 4: Simplify right side
   1,038.89x = 821,702.22
5. Step 5: Solve for x
   x = 821,702.22/1,038.89
6. Step 6: Final answer
   x = 790.94