Finding the Fourth Proportional to 22,086.89, 33,140.97 and 10,994.55

Step by Step Solution

1. Step 1: Write the proportion equation
   22,086.89 : 33,140.97 = 10,994.55 : x
2. Step 2: Convert to fraction form
   22,086.89/33,140.97 = 10,994.55/x
3. Step 3: Cross multiply
   22,086.89x = 33,140.97 × 10,994.55
4. Step 4: Simplify right side
   22,086.89x = 364,370,051.71
5. Step 5: Solve for x
   x = 364,370,051.71/22,086.89
6. Step 6: Final answer
   x = 16,497.12