Finding the Fourth Proportional to 9,240.81, 13,839.13 and 5,333.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,240.81 : 13,839.13 = 5,333.37 : x
2. Step 2: Convert to fraction form
   9,240.81/13,839.13 = 5,333.37/x
3. Step 3: Cross multiply
   9,240.81x = 13,839.13 × 5,333.37
4. Step 4: Simplify right side
   9,240.81x = 73,809,200.77
5. Step 5: Solve for x
   x = 73,809,200.77/9,240.81
6. Step 6: Final answer
   x = 7,987.31