Finding the Fourth Proportional to 1,061.32, 1,592.46 and 573.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.32 : 1,592.46 = 573.81 : x
2. Step 2: Convert to fraction form
   1,061.32/1,592.46 = 573.81/x
3. Step 3: Cross multiply
   1,061.32x = 1,592.46 × 573.81
4. Step 4: Simplify right side
   1,061.32x = 913,769.47
5. Step 5: Solve for x
   x = 913,769.47/1,061.32
6. Step 6: Final answer
   x = 860.97