Finding the Fourth Proportional to 1,061.79, 1,465.25 and 589.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.79 : 1,465.25 = 589.68 : x
2. Step 2: Convert to fraction form
   1,061.79/1,465.25 = 589.68/x
3. Step 3: Cross multiply
   1,061.79x = 1,465.25 × 589.68
4. Step 4: Simplify right side
   1,061.79x = 864,029.79
5. Step 5: Solve for x
   x = 864,029.79/1,061.79
6. Step 6: Final answer
   x = 813.75