Finding the Fourth Proportional to 10,839.10, 16,234.35 and 8,895.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,839.10 : 16,234.35 = 8,895.10 : x
2. Step 2: Convert to fraction form
   10,839.10/16,234.35 = 8,895.10/x
3. Step 3: Cross multiply
   10,839.10x = 16,234.35 × 8,895.10
4. Step 4: Simplify right side
   10,839.10x = 144,406,166.69
5. Step 5: Solve for x
   x = 144,406,166.69/10,839.10
6. Step 6: Final answer
   x = 13,322.71