Finding the Fourth Proportional to 9,805.41, 13,531.35 and 5,328.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,805.41 : 13,531.35 = 5,328.96 : x
2. Step 2: Convert to fraction form
   9,805.41/13,531.35 = 5,328.96/x
3. Step 3: Cross multiply
   9,805.41x = 13,531.35 × 5,328.96
4. Step 4: Simplify right side
   9,805.41x = 72,108,022.90
5. Step 5: Solve for x
   x = 72,108,022.90/9,805.41
6. Step 6: Final answer
   x = 7,353.90