Finding the Fourth Proportional to 22,116.33, 33,150.81 and 10,999.08

Step by Step Solution

1. Step 1: Write the proportion equation
   22,116.33 : 33,150.81 = 10,999.08 : x
2. Step 2: Convert to fraction form
   22,116.33/33,150.81 = 10,999.08/x
3. Step 3: Cross multiply
   22,116.33x = 33,150.81 × 10,999.08
4. Step 4: Simplify right side
   22,116.33x = 364,628,411.25
5. Step 5: Solve for x
   x = 364,628,411.25/22,116.33
6. Step 6: Final answer
   x = 16,486.84