Finding the Fourth Proportional to 2,407.34, 3,608.82 and 867.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,407.34 : 3,608.82 = 867.98 : x
2. Step 2: Convert to fraction form
   2,407.34/3,608.82 = 867.98/x
3. Step 3: Cross multiply
   2,407.34x = 3,608.82 × 867.98
4. Step 4: Simplify right side
   2,407.34x = 3,132,383.58
5. Step 5: Solve for x
   x = 3,132,383.58/2,407.34
6. Step 6: Final answer
   x = 1,301.18