Finding the Fourth Proportional to 1,615.81, 2,229.32 and 952.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,615.81 : 2,229.32 = 952.42 : x
2. Step 2: Convert to fraction form
   1,615.81/2,229.32 = 952.42/x
3. Step 3: Cross multiply
   1,615.81x = 2,229.32 × 952.42
4. Step 4: Simplify right side
   1,615.81x = 2,123,248.95
5. Step 5: Solve for x
   x = 2,123,248.95/1,615.81
6. Step 6: Final answer
   x = 1,314.05