Finding the Fourth Proportional to 7,223.10, 9,967.29 and 4,238.52

Step by Step Solution

1. Step 1: Write the proportion equation
   7,223.10 : 9,967.29 = 4,238.52 : x
2. Step 2: Convert to fraction form
   7,223.10/9,967.29 = 4,238.52/x
3. Step 3: Cross multiply
   7,223.10x = 9,967.29 × 4,238.52
4. Step 4: Simplify right side
   7,223.10x = 42,246,558.01
5. Step 5: Solve for x
   x = 42,246,558.01/7,223.10
6. Step 6: Final answer
   x = 5,848.81