Finding the Fourth Proportional to 141,732.72, 195,582.36 and 78,066.96

Step by Step Solution

1. Step 1: Write the proportion equation
   141,732.72 : 195,582.36 = 78,066.96 : x
2. Step 2: Convert to fraction form
   141,732.72/195,582.36 = 78,066.96/x
3. Step 3: Cross multiply
   141,732.72x = 195,582.36 × 78,066.96
4. Step 4: Simplify right side
   141,732.72x = 15,268,520,274.83
5. Step 5: Solve for x
   x = 15,268,520,274.83/141,732.72
6. Step 6: Final answer
   x = 107,727.56