Finding the Fourth Proportional to 2,406.63, 3,607.17 and 1,105.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.63 : 3,607.17 = 1,105.35 : x
2. Step 2: Convert to fraction form
   2,406.63/3,607.17 = 1,105.35/x
3. Step 3: Cross multiply
   2,406.63x = 3,607.17 × 1,105.35
4. Step 4: Simplify right side
   2,406.63x = 3,987,185.36
5. Step 5: Solve for x
   x = 3,987,185.36/2,406.63
6. Step 6: Final answer
   x = 1,656.75