Finding the Fourth Proportional to 1,060.89, 1,590.18 and 367.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,060.89 : 1,590.18 = 367.35 : x
2. Step 2: Convert to fraction form
   1,060.89/1,590.18 = 367.35/x
3. Step 3: Cross multiply
   1,060.89x = 1,590.18 × 367.35
4. Step 4: Simplify right side
   1,060.89x = 584,152.62
5. Step 5: Solve for x
   x = 584,152.62/1,060.89
6. Step 6: Final answer
   x = 550.63