Finding the Fourth Proportional to 5,093.36, 7,028.50 and 2,854.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,093.36 : 7,028.50 = 2,854.86 : x
2. Step 2: Convert to fraction form
   5,093.36/7,028.50 = 2,854.86/x
3. Step 3: Cross multiply
   5,093.36x = 7,028.50 × 2,854.86
4. Step 4: Simplify right side
   5,093.36x = 20,065,383.51
5. Step 5: Solve for x
   x = 20,065,383.51/5,093.36
6. Step 6: Final answer
   x = 3,939.52