Finding the Fourth Proportional to 9,158.78, 13,738.20 and 2,233.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,158.78 : 13,738.20 = 2,233.22 : x
2. Step 2: Convert to fraction form
   9,158.78/13,738.20 = 2,233.22/x
3. Step 3: Cross multiply
   9,158.78x = 13,738.20 × 2,233.22
4. Step 4: Simplify right side
   9,158.78x = 30,680,423.00
5. Step 5: Solve for x
   x = 30,680,423.00/9,158.78
6. Step 6: Final answer
   x = 3,349.84