Finding the Fourth Proportional to 2,301.72, 3,453.18 and 1,326.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,301.72 : 3,453.18 = 1,326.06 : x
2. Step 2: Convert to fraction form
   2,301.72/3,453.18 = 1,326.06/x
3. Step 3: Cross multiply
   2,301.72x = 3,453.18 × 1,326.06
4. Step 4: Simplify right side
   2,301.72x = 4,579,123.87
5. Step 5: Solve for x
   x = 4,579,123.87/2,301.72
6. Step 6: Final answer
   x = 1,989.44