Finding the Fourth Proportional to 143,196.26, 197,610.82 and 79,539.98

Step by Step Solution

1. Step 1: Write the proportion equation
   143,196.26 : 197,610.82 = 79,539.98 : x
2. Step 2: Convert to fraction form
   143,196.26/197,610.82 = 79,539.98/x
3. Step 3: Cross multiply
   143,196.26x = 197,610.82 × 79,539.98
4. Step 4: Simplify right side
   143,196.26x = 15,717,960,670.58
5. Step 5: Solve for x
   x = 15,717,960,670.58/143,196.26
6. Step 6: Final answer
   x = 109,765.16