Finding the Fourth Proportional to 141,766.24, 195,637.89 and 78,103.88

Step by Step Solution

1. Step 1: Write the proportion equation
   141,766.24 : 195,637.89 = 78,103.88 : x
2. Step 2: Convert to fraction form
   141,766.24/195,637.89 = 78,103.88/x
3. Step 3: Cross multiply
   141,766.24x = 195,637.89 × 78,103.88
4. Step 4: Simplify right side
   141,766.24x = 15,280,078,284.01
5. Step 5: Solve for x
   x = 15,280,078,284.01/141,766.24
6. Step 6: Final answer
   x = 107,783.62