Finding the Fourth Proportional to 141,749.01, 195,613.61 and 78,086.79

Step by Step Solution

1. Step 1: Write the proportion equation
   141,749.01 : 195,613.61 = 78,086.79 : x
2. Step 2: Convert to fraction form
   141,749.01/195,613.61 = 78,086.79/x
3. Step 3: Cross multiply
   141,749.01x = 195,613.61 × 78,086.79
4. Step 4: Simplify right side
   141,749.01x = 15,274,838,494.78
5. Step 5: Solve for x
   x = 15,274,838,494.78/141,749.01
6. Step 6: Final answer
   x = 107,759.75