Finding the Fourth Proportional to 9,833.39, 13,569.96 and 5,357.13

Step by Step Solution

1. Step 1: Write the proportion equation
   9,833.39 : 13,569.96 = 5,357.13 : x
2. Step 2: Convert to fraction form
   9,833.39/13,569.96 = 5,357.13/x
3. Step 3: Cross multiply
   9,833.39x = 13,569.96 × 5,357.13
4. Step 4: Simplify right side
   9,833.39x = 72,696,039.81
5. Step 5: Solve for x
   x = 72,696,039.81/9,833.39
6. Step 6: Final answer
   x = 7,392.78