Finding the Fourth Proportional to 142,003.41, 195,965.37 and 78,341.19

Step by Step Solution

1. Step 1: Write the proportion equation
   142,003.41 : 195,965.37 = 78,341.19 : x
2. Step 2: Convert to fraction form
   142,003.41/195,965.37 = 78,341.19/x
3. Step 3: Cross multiply
   142,003.41x = 195,965.37 × 78,341.19
4. Step 4: Simplify right side
   142,003.41x = 15,352,160,284.59
5. Step 5: Solve for x
   x = 15,352,160,284.59/142,003.41
6. Step 6: Final answer
   x = 108,111.21