Finding the Fourth Proportional to 1,061.24, 1,592.46 and 574.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.24 : 1,592.46 = 574.56 : x
2. Step 2: Convert to fraction form
   1,061.24/1,592.46 = 574.56/x
3. Step 3: Cross multiply
   1,061.24x = 1,592.46 × 574.56
4. Step 4: Simplify right side
   1,061.24x = 914,963.82
5. Step 5: Solve for x
   x = 914,963.82/1,061.24
6. Step 6: Final answer
   x = 862.17