Finding the Fourth Proportional to 143,064.12, 197,382.78 and 82,626.78

Step by Step Solution

1. Step 1: Write the proportion equation
   143,064.12 : 197,382.78 = 82,626.78 : x
2. Step 2: Convert to fraction form
   143,064.12/197,382.78 = 82,626.78/x
3. Step 3: Cross multiply
   143,064.12x = 197,382.78 × 82,626.78
4. Step 4: Simplify right side
   143,064.12x = 16,309,103,538.85
5. Step 5: Solve for x
   x = 16,309,103,538.85/143,064.12
6. Step 6: Final answer
   x = 113,998.56