Finding the Fourth Proportional to 2,407.77, 3,610.37 and 1,108.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,407.77 : 3,610.37 = 1,108.13 : x
2. Step 2: Convert to fraction form
   2,407.77/3,610.37 = 1,108.13/x
3. Step 3: Cross multiply
   2,407.77x = 3,610.37 × 1,108.13
4. Step 4: Simplify right side
   2,407.77x = 4,000,735.72
5. Step 5: Solve for x
   x = 4,000,735.72/2,407.77
6. Step 6: Final answer
   x = 1,661.59