Finding the Fourth Proportional to 142,180.42, 196,118.86 and 108,114.22

Step by Step Solution

1. Step 1: Write the proportion equation
   142,180.42 : 196,118.86 = 108,114.22 : x
2. Step 2: Convert to fraction form
   142,180.42/196,118.86 = 108,114.22/x
3. Step 3: Cross multiply
   142,180.42x = 196,118.86 × 108,114.22
4. Step 4: Simplify right side
   142,180.42x = 21,203,238,057.84
5. Step 5: Solve for x
   x = 21,203,238,057.84/142,180.42
6. Step 6: Final answer
   x = 149,129.10