Finding the Fourth Proportional to 2,326.56, 3,491.22 and 939.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,326.56 : 3,491.22 = 939.72 : x
2. Step 2: Convert to fraction form
   2,326.56/3,491.22 = 939.72/x
3. Step 3: Cross multiply
   2,326.56x = 3,491.22 × 939.72
4. Step 4: Simplify right side
   2,326.56x = 3,280,769.26
5. Step 5: Solve for x
   x = 3,280,769.26/2,326.56
6. Step 6: Final answer
   x = 1,410.14