Finding the Fourth Proportional to 9,815.29, 13,544.91 and 5,339.01

Step by Step Solution

1. Step 1: Write the proportion equation
   9,815.29 : 13,544.91 = 5,339.01 : x
2. Step 2: Convert to fraction form
   9,815.29/13,544.91 = 5,339.01/x
3. Step 3: Cross multiply
   9,815.29x = 13,544.91 × 5,339.01
4. Step 4: Simplify right side
   9,815.29x = 72,316,409.94
5. Step 5: Solve for x
   x = 72,316,409.94/9,815.29
6. Step 6: Final answer
   x = 7,367.73