Finding the Fourth Proportional to 22,091.06, 33,147.23 and 10,998.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,091.06 : 33,147.23 = 10,998.72 : x
2. Step 2: Convert to fraction form
   22,091.06/33,147.23 = 10,998.72/x
3. Step 3: Cross multiply
   22,091.06x = 33,147.23 × 10,998.72
4. Step 4: Simplify right side
   22,091.06x = 364,577,046.55
5. Step 5: Solve for x
   x = 364,577,046.55/22,091.06
6. Step 6: Final answer
   x = 16,503.37