Finding the Fourth Proportional to 140,700.63, 194,165.39 and 76,168.42

Step by Step Solution

1. Step 1: Write the proportion equation
   140,700.63 : 194,165.39 = 76,168.42 : x
2. Step 2: Convert to fraction form
   140,700.63/194,165.39 = 76,168.42/x
3. Step 3: Cross multiply
   140,700.63x = 194,165.39 × 76,168.42
4. Step 4: Simplify right side
   140,700.63x = 14,789,270,974.98
5. Step 5: Solve for x
   x = 14,789,270,974.98/140,700.63
6. Step 6: Final answer
   x = 105,111.62