Finding the Fourth Proportional to 140,664.01, 194,101.89 and 80,230.09

Step by Step Solution

1. Step 1: Write the proportion equation
   140,664.01 : 194,101.89 = 80,230.09 : x
2. Step 2: Convert to fraction form
   140,664.01/194,101.89 = 80,230.09/x
3. Step 3: Cross multiply
   140,664.01x = 194,101.89 × 80,230.09
4. Step 4: Simplify right side
   140,664.01x = 15,572,812,103.87
5. Step 5: Solve for x
   x = 15,572,812,103.87/140,664.01
6. Step 6: Final answer
   x = 110,709.29