Finding the Fourth Proportional to 2,326.72, 3,487.38 and 864.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,326.72 : 3,487.38 = 864.94 : x
2. Step 2: Convert to fraction form
   2,326.72/3,487.38 = 864.94/x
3. Step 3: Cross multiply
   2,326.72x = 3,487.38 × 864.94
4. Step 4: Simplify right side
   2,326.72x = 3,016,374.46
5. Step 5: Solve for x
   x = 3,016,374.46/2,326.72
6. Step 6: Final answer
   x = 1,296.41