Finding the Fourth Proportional to 142,926.72, 197,148.78 and 92,005.98

Step by Step Solution

1. Step 1: Write the proportion equation
   142,926.72 : 197,148.78 = 92,005.98 : x
2. Step 2: Convert to fraction form
   142,926.72/197,148.78 = 92,005.98/x
3. Step 3: Cross multiply
   142,926.72x = 197,148.78 × 92,005.98
4. Step 4: Simplify right side
   142,926.72x = 18,138,866,709.70
5. Step 5: Solve for x
   x = 18,138,866,709.70/142,926.72
6. Step 6: Final answer
   x = 126,910.26