Finding the Fourth Proportional to 143,170.27, 197,673.83 and 89,479.42

Step by Step Solution

1. Step 1: Write the proportion equation
   143,170.27 : 197,673.83 = 89,479.42 : x
2. Step 2: Convert to fraction form
   143,170.27/197,673.83 = 89,479.42/x
3. Step 3: Cross multiply
   143,170.27x = 197,673.83 × 89,479.42
4. Step 4: Simplify right side
   143,170.27x = 17,687,739,657.58
5. Step 5: Solve for x
   x = 17,687,739,657.58/143,170.27
6. Step 6: Final answer
   x = 123,543.38