Finding the Fourth Proportional to 9,805.38, 13,531.32 and 5,329.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,805.38 : 13,531.32 = 5,329.05 : x
2. Step 2: Convert to fraction form
   9,805.38/13,531.32 = 5,329.05/x
3. Step 3: Cross multiply
   9,805.38x = 13,531.32 × 5,329.05
4. Step 4: Simplify right side
   9,805.38x = 72,109,080.85
5. Step 5: Solve for x
   x = 72,109,080.85/9,805.38
6. Step 6: Final answer
   x = 7,354.03