Finding the Fourth Proportional to 141,818.06, 195,707.94 and 78,155.94

Step by Step Solution

1. Step 1: Write the proportion equation
   141,818.06 : 195,707.94 = 78,155.94 : x
2. Step 2: Convert to fraction form
   141,818.06/195,707.94 = 78,155.94/x
3. Step 3: Cross multiply
   141,818.06x = 195,707.94 × 78,155.94
4. Step 4: Simplify right side
   141,818.06x = 15,295,738,016.16
5. Step 5: Solve for x
   x = 15,295,738,016.16/141,818.06
6. Step 6: Final answer
   x = 107,854.66