Finding the Fourth Proportional to 7,382.39, 10,189.28 and 4,240.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,382.39 : 10,189.28 = 4,240.31 : x
2. Step 2: Convert to fraction form
   7,382.39/10,189.28 = 4,240.31/x
3. Step 3: Cross multiply
   7,382.39x = 10,189.28 × 4,240.31
4. Step 4: Simplify right side
   7,382.39x = 43,205,665.53
5. Step 5: Solve for x
   x = 43,205,665.53/7,382.39
6. Step 6: Final answer
   x = 5,852.53