Finding the Fourth Proportional to 140,323.50, 193,650.71 and 76,665.42

Step by Step Solution

1. Step 1: Write the proportion equation
   140,323.50 : 193,650.71 = 76,665.42 : x
2. Step 2: Convert to fraction form
   140,323.50/193,650.71 = 76,665.42/x
3. Step 3: Cross multiply
   140,323.50x = 193,650.71 × 76,665.42
4. Step 4: Simplify right side
   140,323.50x = 14,846,312,632.12
5. Step 5: Solve for x
   x = 14,846,312,632.12/140,323.50
6. Step 6: Final answer
   x = 105,800.62