Finding the Fourth Proportional to 5,233.90, 7,222.78 and 2,876.04

Step by Step Solution

1. Step 1: Write the proportion equation
   5,233.90 : 7,222.78 = 2,876.04 : x
2. Step 2: Convert to fraction form
   5,233.90/7,222.78 = 2,876.04/x
3. Step 3: Cross multiply
   5,233.90x = 7,222.78 × 2,876.04
4. Step 4: Simplify right side
   5,233.90x = 20,773,004.19
5. Step 5: Solve for x
   x = 20,773,004.19/5,233.90
6. Step 6: Final answer
   x = 3,968.94