Finding the Fourth Proportional to 141,723.79, 195,578.81 and 78,061.59

Step by Step Solution

1. Step 1: Write the proportion equation
   141,723.79 : 195,578.81 = 78,061.59 : x
2. Step 2: Convert to fraction form
   141,723.79/195,578.81 = 78,061.59/x
3. Step 3: Cross multiply
   141,723.79x = 195,578.81 × 78,061.59
4. Step 4: Simplify right side
   141,723.79x = 15,267,193,074.06
5. Step 5: Solve for x
   x = 15,267,193,074.06/141,723.79
6. Step 6: Final answer
   x = 107,724.99