Finding the Fourth Proportional to 2,407.68, 3,322.56 and 1,345.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,407.68 : 3,322.56 = 1,345.46 : x
2. Step 2: Convert to fraction form
   2,407.68/3,322.56 = 1,345.46/x
3. Step 3: Cross multiply
   2,407.68x = 3,322.56 × 1,345.46
4. Step 4: Simplify right side
   2,407.68x = 4,470,371.58
5. Step 5: Solve for x
   x = 4,470,371.58/2,407.68
6. Step 6: Final answer
   x = 1,856.71