Finding the Fourth Proportional to 2,174.56, 3,262.72 and 876.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,174.56 : 3,262.72 = 876.12 : x
2. Step 2: Convert to fraction form
   2,174.56/3,262.72 = 876.12/x
3. Step 3: Cross multiply
   2,174.56x = 3,262.72 × 876.12
4. Step 4: Simplify right side
   2,174.56x = 2,858,534.25
5. Step 5: Solve for x
   x = 2,858,534.25/2,174.56
6. Step 6: Final answer
   x = 1,314.53