Finding the Fourth Proportional to 1,062.25, 1,593.81 and 574.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,062.25 : 1,593.81 = 574.72 : x
2. Step 2: Convert to fraction form
   1,062.25/1,593.81 = 574.72/x
3. Step 3: Cross multiply
   1,062.25x = 1,593.81 × 574.72
4. Step 4: Simplify right side
   1,062.25x = 915,990.50
5. Step 5: Solve for x
   x = 915,990.50/1,062.25
6. Step 6: Final answer
   x = 862.31