Finding the Fourth Proportional to 9,934.09, 13,709.33 and 5,457.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,934.09 : 13,709.33 = 5,457.81 : x
2. Step 2: Convert to fraction form
   9,934.09/13,709.33 = 5,457.81/x
3. Step 3: Cross multiply
   9,934.09x = 13,709.33 × 5,457.81
4. Step 4: Simplify right side
   9,934.09x = 74,822,918.37
5. Step 5: Solve for x
   x = 74,822,918.37/9,934.09
6. Step 6: Final answer
   x = 7,531.93