Finding the Fourth Proportional to 7,383.39, 10,189.22 and 4,239.78

Step by Step Solution

1. Step 1: Write the proportion equation
   7,383.39 : 10,189.22 = 4,239.78 : x
2. Step 2: Convert to fraction form
   7,383.39/10,189.22 = 4,239.78/x
3. Step 3: Cross multiply
   7,383.39x = 10,189.22 × 4,239.78
4. Step 4: Simplify right side
   7,383.39x = 43,200,051.17
5. Step 5: Solve for x
   x = 43,200,051.17/7,383.39
6. Step 6: Final answer
   x = 5,850.98