Finding the Fourth Proportional to 22,113.90, 33,178.41 and 10,427.94

Step by Step Solution

1. Step 1: Write the proportion equation
   22,113.90 : 33,178.41 = 10,427.94 : x
2. Step 2: Convert to fraction form
   22,113.90/33,178.41 = 10,427.94/x
3. Step 3: Cross multiply
   22,113.90x = 33,178.41 × 10,427.94
4. Step 4: Simplify right side
   22,113.90x = 345,982,468.78
5. Step 5: Solve for x
   x = 345,982,468.78/22,113.90
6. Step 6: Final answer
   x = 15,645.47