Finding the Fourth Proportional to 9,065.98, 13,532.72 and 8,398.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,065.98 : 13,532.72 = 8,398.22 : x
2. Step 2: Convert to fraction form
   9,065.98/13,532.72 = 8,398.22/x
3. Step 3: Cross multiply
   9,065.98x = 13,532.72 × 8,398.22
4. Step 4: Simplify right side
   9,065.98x = 113,650,757.72
5. Step 5: Solve for x
   x = 113,650,757.72/9,065.98
6. Step 6: Final answer
   x = 12,535.96