Finding the Fourth Proportional to 2,799.70, 4,199.78 and 1,155.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,799.70 : 4,199.78 = 1,155.94 : x
2. Step 2: Convert to fraction form
   2,799.70/4,199.78 = 1,155.94/x
3. Step 3: Cross multiply
   2,799.70x = 4,199.78 × 1,155.94
4. Step 4: Simplify right side
   2,799.70x = 4,854,686.08
5. Step 5: Solve for x
   x = 4,854,686.08/2,799.70
6. Step 6: Final answer
   x = 1,734.00