Finding the Fourth Proportional to 1,906.61, 2,846.17 and 1,660.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,906.61 : 2,846.17 = 1,660.50 : x
2. Step 2: Convert to fraction form
   1,906.61/2,846.17 = 1,660.50/x
3. Step 3: Cross multiply
   1,906.61x = 2,846.17 × 1,660.50
4. Step 4: Simplify right side
   1,906.61x = 4,726,067.36
5. Step 5: Solve for x
   x = 4,726,067.36/1,906.61
6. Step 6: Final answer
   x = 2,478.79