Finding the Fourth Proportional to 2,301.72, 3,451.72 and 914.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,301.72 : 3,451.72 = 914.64 : x
2. Step 2: Convert to fraction form
   2,301.72/3,451.72 = 914.64/x
3. Step 3: Cross multiply
   2,301.72x = 3,451.72 × 914.64
4. Step 4: Simplify right side
   2,301.72x = 3,157,081.18
5. Step 5: Solve for x
   x = 3,157,081.18/2,301.72
6. Step 6: Final answer
   x = 1,371.62