Finding the Fourth Proportional to 140,742.55, 194,238.59 and 80,322.29

Step by Step Solution

1. Step 1: Write the proportion equation
   140,742.55 : 194,238.59 = 80,322.29 : x
2. Step 2: Convert to fraction form
   140,742.55/194,238.59 = 80,322.29/x
3. Step 3: Cross multiply
   140,742.55x = 194,238.59 × 80,322.29
4. Step 4: Simplify right side
   140,742.55x = 15,601,686,982.37
5. Step 5: Solve for x
   x = 15,601,686,982.37/140,742.55
6. Step 6: Final answer
   x = 110,852.67