Finding the Fourth Proportional to 143,626.42, 198,212.31 and 79,962.82

Step by Step Solution

1. Step 1: Write the proportion equation
   143,626.42 : 198,212.31 = 79,962.82 : x
2. Step 2: Convert to fraction form
   143,626.42/198,212.31 = 79,962.82/x
3. Step 3: Cross multiply
   143,626.42x = 198,212.31 × 79,962.82
4. Step 4: Simplify right side
   143,626.42x = 15,849,615,266.31
5. Step 5: Solve for x
   x = 15,849,615,266.31/143,626.42
6. Step 6: Final answer
   x = 110,353.06