Finding the Fourth Proportional to 2,174.38, 3,261.53 and 875.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,174.38 : 3,261.53 = 875.82 : x
2. Step 2: Convert to fraction form
   2,174.38/3,261.53 = 875.82/x
3. Step 3: Cross multiply
   2,174.38x = 3,261.53 × 875.82
4. Step 4: Simplify right side
   2,174.38x = 2,856,496.90
5. Step 5: Solve for x
   x = 2,856,496.90/2,174.38
6. Step 6: Final answer
   x = 1,313.71