Finding the Fourth Proportional to 1,061.74, 1,590.30 and 599.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.74 : 1,590.30 = 599.27 : x
2. Step 2: Convert to fraction form
   1,061.74/1,590.30 = 599.27/x
3. Step 3: Cross multiply
   1,061.74x = 1,590.30 × 599.27
4. Step 4: Simplify right side
   1,061.74x = 953,019.08
5. Step 5: Solve for x
   x = 953,019.08/1,061.74
6. Step 6: Final answer
   x = 897.60