Finding the Fourth Proportional to 2,839.47, 4,256.77 and 1,106.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,839.47 : 4,256.77 = 1,106.88 : x
2. Step 2: Convert to fraction form
   2,839.47/4,256.77 = 1,106.88/x
3. Step 3: Cross multiply
   2,839.47x = 4,256.77 × 1,106.88
4. Step 4: Simplify right side
   2,839.47x = 4,711,733.58
5. Step 5: Solve for x
   x = 4,711,733.58/2,839.47
6. Step 6: Final answer
   x = 1,659.37