Finding the Fourth Proportional to 22,107.42, 33,116.72 and 10,980.45

Step by Step Solution

1. Step 1: Write the proportion equation
   22,107.42 : 33,116.72 = 10,980.45 : x
2. Step 2: Convert to fraction form
   22,107.42/33,116.72 = 10,980.45/x
3. Step 3: Cross multiply
   22,107.42x = 33,116.72 × 10,980.45
4. Step 4: Simplify right side
   22,107.42x = 363,636,433.22
5. Step 5: Solve for x
   x = 363,636,433.22/22,107.42
6. Step 6: Final answer
   x = 16,448.61