Finding the Fourth Proportional to 1,061.28, 1,464.54 and 595.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.28 : 1,464.54 = 595.56 : x
2. Step 2: Convert to fraction form
   1,061.28/1,464.54 = 595.56/x
3. Step 3: Cross multiply
   1,061.28x = 1,464.54 × 595.56
4. Step 4: Simplify right side
   1,061.28x = 872,221.44
5. Step 5: Solve for x
   x = 872,221.44/1,061.28
6. Step 6: Final answer
   x = 821.86