Finding the Fourth Proportional to 7,383.30, 10,189.98 and 4,239.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,383.30 : 10,189.98 = 4,239.42 : x
2. Step 2: Convert to fraction form
   7,383.30/10,189.98 = 4,239.42/x
3. Step 3: Cross multiply
   7,383.30x = 10,189.98 × 4,239.42
4. Step 4: Simplify right side
   7,383.30x = 43,199,605.01
5. Step 5: Solve for x
   x = 43,199,605.01/7,383.30
6. Step 6: Final answer
   x = 5,850.99