Finding the Fourth Proportional to 1,061.96, 1,596.72 and 575.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.96 : 1,596.72 = 575.96 : x
2. Step 2: Convert to fraction form
   1,061.96/1,596.72 = 575.96/x
3. Step 3: Cross multiply
   1,061.96x = 1,596.72 × 575.96
4. Step 4: Simplify right side
   1,061.96x = 919,646.85
5. Step 5: Solve for x
   x = 919,646.85/1,061.96
6. Step 6: Final answer
   x = 865.99