Finding the Fourth Proportional to 142,691.76, 196,914.51 and 79,033.59

Step by Step Solution

1. Step 1: Write the proportion equation
   142,691.76 : 196,914.51 = 79,033.59 : x
2. Step 2: Convert to fraction form
   142,691.76/196,914.51 = 79,033.59/x
3. Step 3: Cross multiply
   142,691.76x = 196,914.51 × 79,033.59
4. Step 4: Simplify right side
   142,691.76x = 15,562,860,648.39
5. Step 5: Solve for x
   x = 15,562,860,648.39/142,691.76
6. Step 6: Final answer
   x = 109,066.29