Finding the Fourth Proportional to 1,061.28, 1,464.55 and 595.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.28 : 1,464.55 = 595.53 : x
2. Step 2: Convert to fraction form
   1,061.28/1,464.55 = 595.53/x
3. Step 3: Cross multiply
   1,061.28x = 1,464.55 × 595.53
4. Step 4: Simplify right side
   1,061.28x = 872,180.48
5. Step 5: Solve for x
   x = 872,180.48/1,061.28
6. Step 6: Final answer
   x = 821.82