Finding the Fourth Proportional to 3,590.73, 5,385.89 and 958.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,590.73 : 5,385.89 = 958.16 : x
2. Step 2: Convert to fraction form
   3,590.73/5,385.89 = 958.16/x
3. Step 3: Cross multiply
   3,590.73x = 5,385.89 × 958.16
4. Step 4: Simplify right side
   3,590.73x = 5,160,560.22
5. Step 5: Solve for x
   x = 5,160,560.22/3,590.73
6. Step 6: Final answer
   x = 1,437.19