Finding the Fourth Proportional to 2,799.41, 4,199.61 and 1,155.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,799.41 : 4,199.61 = 1,155.06 : x
2. Step 2: Convert to fraction form
   2,799.41/4,199.61 = 1,155.06/x
3. Step 3: Cross multiply
   2,799.41x = 4,199.61 × 1,155.06
4. Step 4: Simplify right side
   2,799.41x = 4,850,801.53
5. Step 5: Solve for x
   x = 4,850,801.53/2,799.41
6. Step 6: Final answer
   x = 1,732.79