Finding the Fourth Proportional to 142,723.52, 196,955.88 and 79,061.12

Step by Step Solution

1. Step 1: Write the proportion equation
   142,723.52 : 196,955.88 = 79,061.12 : x
2. Step 2: Convert to fraction form
   142,723.52/196,955.88 = 79,061.12/x
3. Step 3: Cross multiply
   142,723.52x = 196,955.88 × 79,061.12
4. Step 4: Simplify right side
   142,723.52x = 15,571,552,463.39
5. Step 5: Solve for x
   x = 15,571,552,463.39/142,723.52
6. Step 6: Final answer
   x = 109,102.92