Finding the Fourth Proportional to 142,065.42, 196,049.22 and 77,534.58

Step by Step Solution

1. Step 1: Write the proportion equation
   142,065.42 : 196,049.22 = 77,534.58 : x
2. Step 2: Convert to fraction form
   142,065.42/196,049.22 = 77,534.58/x
3. Step 3: Cross multiply
   142,065.42x = 196,049.22 × 77,534.58
4. Step 4: Simplify right side
   142,065.42x = 15,200,593,932.03
5. Step 5: Solve for x
   x = 15,200,593,932.03/142,065.42
6. Step 6: Final answer
   x = 106,997.14