Finding the Fourth Proportional to 1,061.18, 1,464.50 and 589.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.18 : 1,464.50 = 589.13 : x
2. Step 2: Convert to fraction form
   1,061.18/1,464.50 = 589.13/x
3. Step 3: Cross multiply
   1,061.18x = 1,464.50 × 589.13
4. Step 4: Simplify right side
   1,061.18x = 862,780.89
5. Step 5: Solve for x
   x = 862,780.89/1,061.18
6. Step 6: Final answer
   x = 813.04