Finding the Fourth Proportional to 2,406.52, 3,607 and 1,105.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.52 : 3,607 = 1,105.26 : x
2. Step 2: Convert to fraction form
   2,406.52/3,607 = 1,105.26/x
3. Step 3: Cross multiply
   2,406.52x = 3,607 × 1,105.26
4. Step 4: Simplify right side
   2,406.52x = 3,986,672.82
5. Step 5: Solve for x
   x = 3,986,672.82/2,406.52
6. Step 6: Final answer
   x = 1,656.61