Finding the Fourth Proportional to 1,542.41, 2,128.52 and 834.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,542.41 : 2,128.52 = 834.25 : x
2. Step 2: Convert to fraction form
   1,542.41/2,128.52 = 834.25/x
3. Step 3: Cross multiply
   1,542.41x = 2,128.52 × 834.25
4. Step 4: Simplify right side
   1,542.41x = 1,775,718.15
5. Step 5: Solve for x
   x = 1,775,718.15/1,542.41
6. Step 6: Final answer
   x = 1,151.26