Finding the Fourth Proportional to 143,171.33, 197,675.30 and 89,480.48

Step by Step Solution

1. Step 1: Write the proportion equation
   143,171.33 : 197,675.30 = 89,480.48 : x
2. Step 2: Convert to fraction form
   143,171.33/197,675.30 = 89,480.48/x
3. Step 3: Cross multiply
   143,171.33x = 197,675.30 × 89,480.48
4. Step 4: Simplify right side
   143,171.33x = 17,688,080,774.93
5. Step 5: Solve for x
   x = 17,688,080,774.93/143,171.33
6. Step 6: Final answer
   x = 123,544.85