Finding the Fourth Proportional to 2,619.72, 3,931.92 and 2,341.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,619.72 : 3,931.92 = 2,341.62 : x
2. Step 2: Convert to fraction form
   2,619.72/3,931.92 = 2,341.62/x
3. Step 3: Cross multiply
   2,619.72x = 3,931.92 × 2,341.62
4. Step 4: Simplify right side
   2,619.72x = 9,207,062.51
5. Step 5: Solve for x
   x = 9,207,062.51/2,619.72
6. Step 6: Final answer
   x = 3,514.52