Finding the Fourth Proportional to 142,097.58, 196,096.29 and 78,435.45

Step by Step Solution

1. Step 1: Write the proportion equation
   142,097.58 : 196,096.29 = 78,435.45 : x
2. Step 2: Convert to fraction form
   142,097.58/196,096.29 = 78,435.45/x
3. Step 3: Cross multiply
   142,097.58x = 196,096.29 × 78,435.45
4. Step 4: Simplify right side
   142,097.58x = 15,380,900,749.48
5. Step 5: Solve for x
   x = 15,380,900,749.48/142,097.58
6. Step 6: Final answer
   x = 108,241.82