Finding the Fourth Proportional to 2,406.69, 3,610.08 and 1,090.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.69 : 3,610.08 = 1,090.17 : x
2. Step 2: Convert to fraction form
   2,406.69/3,610.08 = 1,090.17/x
3. Step 3: Cross multiply
   2,406.69x = 3,610.08 × 1,090.17
4. Step 4: Simplify right side
   2,406.69x = 3,935,600.91
5. Step 5: Solve for x
   x = 3,935,600.91/2,406.69
6. Step 6: Final answer
   x = 1,635.28