Finding the Fourth Proportional to 2,123.38, 3,186.72 and 952.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.38 : 3,186.72 = 952.96 : x
2. Step 2: Convert to fraction form
   2,123.38/3,186.72 = 952.96/x
3. Step 3: Cross multiply
   2,123.38x = 3,186.72 × 952.96
4. Step 4: Simplify right side
   2,123.38x = 3,036,816.69
5. Step 5: Solve for x
   x = 3,036,816.69/2,123.38
6. Step 6: Final answer
   x = 1,430.18