Finding the Fourth Proportional to 1,573.92, 2,171.97 and 875.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,573.92 : 2,171.97 = 875.25 : x
2. Step 2: Convert to fraction form
   1,573.92/2,171.97 = 875.25/x
3. Step 3: Cross multiply
   1,573.92x = 2,171.97 × 875.25
4. Step 4: Simplify right side
   1,573.92x = 1,901,016.74
5. Step 5: Solve for x
   x = 1,901,016.74/1,573.92
6. Step 6: Final answer
   x = 1,207.82