Finding the Fourth Proportional to 1,542.27, 2,128.72 and 952.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,542.27 : 2,128.72 = 952.46 : x
2. Step 2: Convert to fraction form
   1,542.27/2,128.72 = 952.46/x
3. Step 3: Cross multiply
   1,542.27x = 2,128.72 × 952.46
4. Step 4: Simplify right side
   1,542.27x = 2,027,520.65
5. Step 5: Solve for x
   x = 2,027,520.65/1,542.27
6. Step 6: Final answer
   x = 1,314.63