Finding the Fourth Proportional to 5,233.10, 7,222.55 and 2,994.55

Step by Step Solution

1. Step 1: Write the proportion equation
   5,233.10 : 7,222.55 = 2,994.55 : x
2. Step 2: Convert to fraction form
   5,233.10/7,222.55 = 2,994.55/x
3. Step 3: Cross multiply
   5,233.10x = 7,222.55 × 2,994.55
4. Step 4: Simplify right side
   5,233.10x = 21,628,242.89
5. Step 5: Solve for x
   x = 21,628,242.89/5,233.10
6. Step 6: Final answer
   x = 4,132.97