Finding the Fourth Proportional to 2,799.76, 4,196.56 and 1,133.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,799.76 : 4,196.56 = 1,133.20 : x
2. Step 2: Convert to fraction form
   2,799.76/4,196.56 = 1,133.20/x
3. Step 3: Cross multiply
   2,799.76x = 4,196.56 × 1,133.20
4. Step 4: Simplify right side
   2,799.76x = 4,755,541.79
5. Step 5: Solve for x
   x = 4,755,541.79/2,799.76
6. Step 6: Final answer
   x = 1,698.55