Finding the Fourth Proportional to 1,150.83, 1,724.42 and 841.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.83 : 1,724.42 = 841.25 : x
2. Step 2: Convert to fraction form
   1,150.83/1,724.42 = 841.25/x
3. Step 3: Cross multiply
   1,150.83x = 1,724.42 × 841.25
4. Step 4: Simplify right side
   1,150.83x = 1,450,674.74
5. Step 5: Solve for x
   x = 1,450,674.74/1,150.83
6. Step 6: Final answer
   x = 1,260.55