Finding the Fourth Proportional to 142,595.56, 196,773.42 and 78,929.56

Step by Step Solution

1. Step 1: Write the proportion equation
   142,595.56 : 196,773.42 = 78,929.56 : x
2. Step 2: Convert to fraction form
   142,595.56/196,773.42 = 78,929.56/x
3. Step 3: Cross multiply
   142,595.56x = 196,773.42 × 78,929.56
4. Step 4: Simplify right side
   142,595.56x = 15,531,239,460.30
5. Step 5: Solve for x
   x = 15,531,239,460.30/142,595.56
6. Step 6: Final answer
   x = 108,918.11