Finding the Fourth Proportional to 143,196.73, 213,748.25 and 132,789.04

Step by Step Solution

1. Step 1: Write the proportion equation
   143,196.73 : 213,748.25 = 132,789.04 : x
2. Step 2: Convert to fraction form
   143,196.73/213,748.25 = 132,789.04/x
3. Step 3: Cross multiply
   143,196.73x = 213,748.25 × 132,789.04
4. Step 4: Simplify right side
   143,196.73x = 28,383,424,919.18
5. Step 5: Solve for x
   x = 28,383,424,919.18/143,196.73
6. Step 6: Final answer
   x = 198,212.80