Finding the Fourth Proportional to 9,933.71, 13,708.17 and 5,457.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,933.71 : 13,708.17 = 5,457.24 : x
2. Step 2: Convert to fraction form
   9,933.71/13,708.17 = 5,457.24/x
3. Step 3: Cross multiply
   9,933.71x = 13,708.17 × 5,457.24
4. Step 4: Simplify right side
   9,933.71x = 74,808,773.65
5. Step 5: Solve for x
   x = 74,808,773.65/9,933.71
6. Step 6: Final answer
   x = 7,530.80