Finding the Fourth Proportional to 2,173.57, 3,260.82 and 875.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,173.57 : 3,260.82 = 875.04 : x
2. Step 2: Convert to fraction form
   2,173.57/3,260.82 = 875.04/x
3. Step 3: Cross multiply
   2,173.57x = 3,260.82 × 875.04
4. Step 4: Simplify right side
   2,173.57x = 2,853,357.33
5. Step 5: Solve for x
   x = 2,853,357.33/2,173.57
6. Step 6: Final answer
   x = 1,312.75