Finding the Fourth Proportional to 141,814.42, 195,705.24 and 78,154.54

Step by Step Solution

1. Step 1: Write the proportion equation
   141,814.42 : 195,705.24 = 78,154.54 : x
2. Step 2: Convert to fraction form
   141,814.42/195,705.24 = 78,154.54/x
3. Step 3: Cross multiply
   141,814.42x = 195,705.24 × 78,154.54
4. Step 4: Simplify right side
   141,814.42x = 15,295,253,007.79
5. Step 5: Solve for x
   x = 15,295,253,007.79/141,814.42
6. Step 6: Final answer
   x = 107,854.00