Finding the Fourth Proportional to 143,605, 198,179.46 and 89,872.84

Step by Step Solution

1. Step 1: Write the proportion equation
   143,605 : 198,179.46 = 89,872.84 : x
2. Step 2: Convert to fraction form
   143,605/198,179.46 = 89,872.84/x
3. Step 3: Cross multiply
   143,605x = 198,179.46 × 89,872.84
4. Step 4: Simplify right side
   143,605x = 17,810,950,899.87
5. Step 5: Solve for x
   x = 17,810,950,899.87/143,605
6. Step 6: Final answer
   x = 124,027.37