Finding the Fourth Proportional to 141,870.24, 195,777 and 78,208.02

Step by Step Solution

1. Step 1: Write the proportion equation
   141,870.24 : 195,777 = 78,208.02 : x
2. Step 2: Convert to fraction form
   141,870.24/195,777 = 78,208.02/x
3. Step 3: Cross multiply
   141,870.24x = 195,777 × 78,208.02
4. Step 4: Simplify right side
   141,870.24x = 15,311,331,531.54
5. Step 5: Solve for x
   x = 15,311,331,531.54/141,870.24
6. Step 6: Final answer
   x = 107,924.90