Finding the Fourth Proportional to 1,740.30, 2,608.41 and 872.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,740.30 : 2,608.41 = 872.82 : x
2. Step 2: Convert to fraction form
   1,740.30/2,608.41 = 872.82/x
3. Step 3: Cross multiply
   1,740.30x = 2,608.41 × 872.82
4. Step 4: Simplify right side
   1,740.30x = 2,276,672.42
5. Step 5: Solve for x
   x = 2,276,672.42/1,740.30
6. Step 6: Final answer
   x = 1,308.21