Finding the Fourth Proportional to 2,799.67, 4,195.83 and 1,155.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,799.67 : 4,195.83 = 1,155.31 : x
2. Step 2: Convert to fraction form
   2,799.67/4,195.83 = 1,155.31/x
3. Step 3: Cross multiply
   2,799.67x = 4,195.83 × 1,155.31
4. Step 4: Simplify right side
   2,799.67x = 4,847,484.36
5. Step 5: Solve for x
   x = 4,847,484.36/2,799.67
6. Step 6: Final answer
   x = 1,731.45