Finding the Fourth Proportional to 140,667.01, 194,136.07 and 80,252.55

Step by Step Solution

1. Step 1: Write the proportion equation
   140,667.01 : 194,136.07 = 80,252.55 : x
2. Step 2: Convert to fraction form
   140,667.01/194,136.07 = 80,252.55/x
3. Step 3: Cross multiply
   140,667.01x = 194,136.07 × 80,252.55
4. Step 4: Simplify right side
   140,667.01x = 15,579,914,664.48
5. Step 5: Solve for x
   x = 15,579,914,664.48/140,667.01
6. Step 6: Final answer
   x = 110,757.42