Finding the Fourth Proportional to 11,285.16, 16,835.86 and 10,995.18

Step by Step Solution

1. Step 1: Write the proportion equation
   11,285.16 : 16,835.86 = 10,995.18 : x
2. Step 2: Convert to fraction form
   11,285.16/16,835.86 = 10,995.18/x
3. Step 3: Cross multiply
   11,285.16x = 16,835.86 × 10,995.18
4. Step 4: Simplify right side
   11,285.16x = 185,113,311.15
5. Step 5: Solve for x
   x = 185,113,311.15/11,285.16
6. Step 6: Final answer
   x = 16,403.25