Finding the Fourth Proportional to 141,724.45, 195,579.72 and 78,062.24

Step by Step Solution

1. Step 1: Write the proportion equation
   141,724.45 : 195,579.72 = 78,062.24 : x
2. Step 2: Convert to fraction form
   141,724.45/195,579.72 = 78,062.24/x
3. Step 3: Cross multiply
   141,724.45x = 195,579.72 × 78,062.24
4. Step 4: Simplify right side
   141,724.45x = 15,267,391,530.72
5. Step 5: Solve for x
   x = 15,267,391,530.72/141,724.45
6. Step 6: Final answer
   x = 107,725.88