Finding the Fourth Proportional to 2,601.34, 3,902.03 and 869.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,601.34 : 3,902.03 = 869.96 : x
2. Step 2: Convert to fraction form
   2,601.34/3,902.03 = 869.96/x
3. Step 3: Cross multiply
   2,601.34x = 3,902.03 × 869.96
4. Step 4: Simplify right side
   2,601.34x = 3,394,621.95
5. Step 5: Solve for x
   x = 3,394,621.95/2,601.34
6. Step 6: Final answer
   x = 1,304.95