Finding the Fourth Proportional to 9,933.82, 13,708.78 and 5,457.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,933.82 : 13,708.78 = 5,457.56 : x
2. Step 2: Convert to fraction form
   9,933.82/13,708.78 = 5,457.56/x
3. Step 3: Cross multiply
   9,933.82x = 13,708.78 × 5,457.56
4. Step 4: Simplify right side
   9,933.82x = 74,816,489.38
5. Step 5: Solve for x
   x = 74,816,489.38/9,933.82
6. Step 6: Final answer
   x = 7,531.49