Finding the Fourth Proportional to 2,405.92, 3,607.24 and 1,173.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,405.92 : 3,607.24 = 1,173.12 : x
2. Step 2: Convert to fraction form
   2,405.92/3,607.24 = 1,173.12/x
3. Step 3: Cross multiply
   2,405.92x = 3,607.24 × 1,173.12
4. Step 4: Simplify right side
   2,405.92x = 4,231,725.39
5. Step 5: Solve for x
   x = 4,231,725.39/2,405.92
6. Step 6: Final answer
   x = 1,758.88