Finding the Fourth Proportional to 142,734.88, 196,966.38 and 79,068.88

Step by Step Solution

1. Step 1: Write the proportion equation
   142,734.88 : 196,966.38 = 79,068.88 : x
2. Step 2: Convert to fraction form
   142,734.88/196,966.38 = 79,068.88/x
3. Step 3: Cross multiply
   142,734.88x = 196,966.38 × 79,068.88
4. Step 4: Simplify right side
   142,734.88x = 15,573,911,064.25
5. Step 5: Solve for x
   x = 15,573,911,064.25/142,734.88
6. Step 6: Final answer
   x = 109,110.76