Finding the Fourth Proportional to 1,796.50, 2,695.56 and 871.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,796.50 : 2,695.56 = 871.89 : x
2. Step 2: Convert to fraction form
   1,796.50/2,695.56 = 871.89/x
3. Step 3: Cross multiply
   1,796.50x = 2,695.56 × 871.89
4. Step 4: Simplify right side
   1,796.50x = 2,350,231.81
5. Step 5: Solve for x
   x = 2,350,231.81/1,796.50
6. Step 6: Final answer
   x = 1,308.23