Finding the Fourth Proportional to 1,061.58, 1,464.97 and 589.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.58 : 1,464.97 = 589.46 : x
2. Step 2: Convert to fraction form
   1,061.58/1,464.97 = 589.46/x
3. Step 3: Cross multiply
   1,061.58x = 1,464.97 × 589.46
4. Step 4: Simplify right side
   1,061.58x = 863,538.27
5. Step 5: Solve for x
   x = 863,538.27/1,061.58
6. Step 6: Final answer
   x = 813.45