Finding the Fourth Proportional to 142,698.98, 196,924.16 and 79,036.76

Step by Step Solution

1. Step 1: Write the proportion equation
   142,698.98 : 196,924.16 = 79,036.76 : x
2. Step 2: Convert to fraction form
   142,698.98/196,924.16 = 79,036.76/x
3. Step 3: Cross multiply
   142,698.98x = 196,924.16 × 79,036.76
4. Step 4: Simplify right side
   142,698.98x = 15,564,248,262.02
5. Step 5: Solve for x
   x = 15,564,248,262.02/142,698.98
6. Step 6: Final answer
   x = 109,070.49