Finding the Fourth Proportional to 1,908.60, 2,634.06 and 1,162.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,908.60 : 2,634.06 = 1,162.61 : x
2. Step 2: Convert to fraction form
   1,908.60/2,634.06 = 1,162.61/x
3. Step 3: Cross multiply
   1,908.60x = 2,634.06 × 1,162.61
4. Step 4: Simplify right side
   1,908.60x = 3,062,371.33
5. Step 5: Solve for x
   x = 3,062,371.33/1,908.60
6. Step 6: Final answer
   x = 1,604.51