Finding the Fourth Proportional to 141,748.24, 195,612.72 and 78,086.08

Step by Step Solution

1. Step 1: Write the proportion equation
   141,748.24 : 195,612.72 = 78,086.08 : x
2. Step 2: Convert to fraction form
   141,748.24/195,612.72 = 78,086.08/x
3. Step 3: Cross multiply
   141,748.24x = 195,612.72 × 78,086.08
4. Step 4: Simplify right side
   141,748.24x = 15,274,630,502.94
5. Step 5: Solve for x
   x = 15,274,630,502.94/141,748.24
6. Step 6: Final answer
   x = 107,758.87