Finding the Fourth Proportional to 141,880.06, 195,792.15 and 78,223.78

Step by Step Solution

1. Step 1: Write the proportion equation
   141,880.06 : 195,792.15 = 78,223.78 : x
2. Step 2: Convert to fraction form
   141,880.06/195,792.15 = 78,223.78/x
3. Step 3: Cross multiply
   141,880.06x = 195,792.15 × 78,223.78
4. Step 4: Simplify right side
   141,880.06x = 15,315,602,067.33
5. Step 5: Solve for x
   x = 15,315,602,067.33/141,880.06
6. Step 6: Final answer
   x = 107,947.53