Finding the Fourth Proportional to 143,176.09, 197,681.85 and 89,485.24

Step by Step Solution

1. Step 1: Write the proportion equation
   143,176.09 : 197,681.85 = 89,485.24 : x
2. Step 2: Convert to fraction form
   143,176.09/197,681.85 = 89,485.24/x
3. Step 3: Cross multiply
   143,176.09x = 197,681.85 × 89,485.24
4. Step 4: Simplify right side
   143,176.09x = 17,689,607,790.89
5. Step 5: Solve for x
   x = 17,689,607,790.89/143,176.09
6. Step 6: Final answer
   x = 123,551.41