Finding the Fourth Proportional to 2,375.29, 3,564.22 and 989.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,375.29 : 3,564.22 = 989.58 : x
2. Step 2: Convert to fraction form
   2,375.29/3,564.22 = 989.58/x
3. Step 3: Cross multiply
   2,375.29x = 3,564.22 × 989.58
4. Step 4: Simplify right side
   2,375.29x = 3,527,080.83
5. Step 5: Solve for x
   x = 3,527,080.83/2,375.29
6. Step 6: Final answer
   x = 1,484.91