Finding the Fourth Proportional to 10,995.17, 16,432.37 and 8,039.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,995.17 : 16,432.37 = 8,039.83 : x
2. Step 2: Convert to fraction form
   10,995.17/16,432.37 = 8,039.83/x
3. Step 3: Cross multiply
   10,995.17x = 16,432.37 × 8,039.83
4. Step 4: Simplify right side
   10,995.17x = 132,113,461.30
5. Step 5: Solve for x
   x = 132,113,461.30/10,995.17
6. Step 6: Final answer
   x = 12,015.59