Finding the Fourth Proportional to 7,349.72, 10,139.72 and 4,204.22

Step by Step Solution

1. Step 1: Write the proportion equation
   7,349.72 : 10,139.72 = 4,204.22 : x
2. Step 2: Convert to fraction form
   7,349.72/10,139.72 = 4,204.22/x
3. Step 3: Cross multiply
   7,349.72x = 10,139.72 × 4,204.22
4. Step 4: Simplify right side
   7,349.72x = 42,629,613.62
5. Step 5: Solve for x
   x = 42,629,613.62/7,349.72
6. Step 6: Final answer
   x = 5,800.17