Finding the Fourth Proportional to 9,815.82, 13,545.96 and 5,339.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,815.82 : 13,545.96 = 5,339.56 : x
2. Step 2: Convert to fraction form
   9,815.82/13,545.96 = 5,339.56/x
3. Step 3: Cross multiply
   9,815.82x = 13,545.96 × 5,339.56
4. Step 4: Simplify right side
   9,815.82x = 72,329,466.18
5. Step 5: Solve for x
   x = 72,329,466.18/9,815.82
6. Step 6: Final answer
   x = 7,368.66