Finding the Fourth Proportional to 14,642.57, 20,196.34 and 10,106.98

Step by Step Solution

1. Step 1: Write the proportion equation
   14,642.57 : 20,196.34 = 10,106.98 : x
2. Step 2: Convert to fraction form
   14,642.57/20,196.34 = 10,106.98/x
3. Step 3: Cross multiply
   14,642.57x = 20,196.34 × 10,106.98
4. Step 4: Simplify right side
   14,642.57x = 204,123,928.69
5. Step 5: Solve for x
   x = 204,123,928.69/14,642.57
6. Step 6: Final answer
   x = 13,940.44