Finding the Fourth Proportional to 9,815.33, 13,545.33 and 5,339.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,815.33 : 13,545.33 = 5,339.18 : x
2. Step 2: Convert to fraction form
   9,815.33/13,545.33 = 5,339.18/x
3. Step 3: Cross multiply
   9,815.33x = 13,545.33 × 5,339.18
4. Step 4: Simplify right side
   9,815.33x = 72,320,955.03
5. Step 5: Solve for x
   x = 72,320,955.03/9,815.33
6. Step 6: Final answer
   x = 7,368.16