Finding the Fourth Proportional to 5,088.89, 7,022.50 and 2,850.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,088.89 : 7,022.50 = 2,850.86 : x
2. Step 2: Convert to fraction form
   5,088.89/7,022.50 = 2,850.86/x
3. Step 3: Cross multiply
   5,088.89x = 7,022.50 × 2,850.86
4. Step 4: Simplify right side
   5,088.89x = 20,020,174.78
5. Step 5: Solve for x
   x = 20,020,174.78/5,088.89
6. Step 6: Final answer
   x = 3,934.09