Finding the Fourth Proportional to 2,624.16, 3,933.69 and 867.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,624.16 : 3,933.69 = 867.96 : x
2. Step 2: Convert to fraction form
   2,624.16/3,933.69 = 867.96/x
3. Step 3: Cross multiply
   2,624.16x = 3,933.69 × 867.96
4. Step 4: Simplify right side
   2,624.16x = 3,414,285.57
5. Step 5: Solve for x
   x = 3,414,285.57/2,624.16
6. Step 6: Final answer
   x = 1,301.10