Finding the Fourth Proportional to 3,554.89, 5,331.98 and 958.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,554.89 : 5,331.98 = 958.09 : x
2. Step 2: Convert to fraction form
   3,554.89/5,331.98 = 958.09/x
3. Step 3: Cross multiply
   3,554.89x = 5,331.98 × 958.09
4. Step 4: Simplify right side
   3,554.89x = 5,108,511.93
5. Step 5: Solve for x
   x = 5,108,511.93/3,554.89
6. Step 6: Final answer
   x = 1,437.04