Finding the Fourth Proportional to 141,795.43, 195,681.86 and 78,137.33

Step by Step Solution

1. Step 1: Write the proportion equation
   141,795.43 : 195,681.86 = 78,137.33 : x
2. Step 2: Convert to fraction form
   141,795.43/195,681.86 = 78,137.33/x
3. Step 3: Cross multiply
   141,795.43x = 195,681.86 × 78,137.33
4. Step 4: Simplify right side
   141,795.43x = 15,290,056,993.75
5. Step 5: Solve for x
   x = 15,290,056,993.75/141,795.43
6. Step 6: Final answer
   x = 107,831.81