Finding the Fourth Proportional to 141,766.28, 195,635.27 and 78,106.35

Step by Step Solution

1. Step 1: Write the proportion equation
   141,766.28 : 195,635.27 = 78,106.35 : x
2. Step 2: Convert to fraction form
   141,766.28/195,635.27 = 78,106.35/x
3. Step 3: Cross multiply
   141,766.28x = 195,635.27 × 78,106.35
4. Step 4: Simplify right side
   141,766.28x = 15,280,357,066.23
5. Step 5: Solve for x
   x = 15,280,357,066.23/141,766.28
6. Step 6: Final answer
   x = 107,785.56