Finding the Fourth Proportional to 7,153.16, 10,731.52 and 2,222.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,153.16 : 10,731.52 = 2,222.72 : x
2. Step 2: Convert to fraction form
   7,153.16/10,731.52 = 2,222.72/x
3. Step 3: Cross multiply
   7,153.16x = 10,731.52 × 2,222.72
4. Step 4: Simplify right side
   7,153.16x = 23,853,164.13
5. Step 5: Solve for x
   x = 23,853,164.13/7,153.16
6. Step 6: Final answer
   x = 3,334.63