Finding the Fourth Proportional to 2,407.92, 3,322.89 and 1,345.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,407.92 : 3,322.89 = 1,345.71 : x
2. Step 2: Convert to fraction form
   2,407.92/3,322.89 = 1,345.71/x
3. Step 3: Cross multiply
   2,407.92x = 3,322.89 × 1,345.71
4. Step 4: Simplify right side
   2,407.92x = 4,471,646.30
5. Step 5: Solve for x
   x = 4,471,646.30/2,407.92
6. Step 6: Final answer
   x = 1,857.06