Finding the Fourth Proportional to 141,832.86, 195,730.71 and 78,173.10

Step by Step Solution

1. Step 1: Write the proportion equation
   141,832.86 : 195,730.71 = 78,173.10 : x
2. Step 2: Convert to fraction form
   141,832.86/195,730.71 = 78,173.10/x
3. Step 3: Cross multiply
   141,832.86x = 195,730.71 × 78,173.10
4. Step 4: Simplify right side
   141,832.86x = 15,300,876,365.90
5. Step 5: Solve for x
   x = 15,300,876,365.90/141,832.86
6. Step 6: Final answer
   x = 107,879.63