Finding the Fourth Proportional to 2,836.77, 4,256.37 and 1,106.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,836.77 : 4,256.37 = 1,106.61 : x
2. Step 2: Convert to fraction form
   2,836.77/4,256.37 = 1,106.61/x
3. Step 3: Cross multiply
   2,836.77x = 4,256.37 × 1,106.61
4. Step 4: Simplify right side
   2,836.77x = 4,710,141.61
5. Step 5: Solve for x
   x = 4,710,141.61/2,836.77
6. Step 6: Final answer
   x = 1,660.39