Finding the Fourth Proportional to 144,022.56, 198,661.32 and 103,672.41

Step by Step Solution

1. Step 1: Write the proportion equation
   144,022.56 : 198,661.32 = 103,672.41 : x
2. Step 2: Convert to fraction form
   144,022.56/198,661.32 = 103,672.41/x
3. Step 3: Cross multiply
   144,022.56x = 198,661.32 × 103,672.41
4. Step 4: Simplify right side
   144,022.56x = 20,595,697,818.18
5. Step 5: Solve for x
   x = 20,595,697,818.18/144,022.56
6. Step 6: Final answer
   x = 143,003.28