Finding the Fourth Proportional to 7,223.52, 10,826.96 and 3,938.16

Step by Step Solution

1. Step 1: Write the proportion equation
   7,223.52 : 10,826.96 = 3,938.16 : x
2. Step 2: Convert to fraction form
   7,223.52/10,826.96 = 3,938.16/x
3. Step 3: Cross multiply
   7,223.52x = 10,826.96 × 3,938.16
4. Step 4: Simplify right side
   7,223.52x = 42,638,300.79
5. Step 5: Solve for x
   x = 42,638,300.79/7,223.52
6. Step 6: Final answer
   x = 5,902.70