Finding the Fourth Proportional to 141,676.50, 195,513.57 and 78,014.15

Step by Step Solution

1. Step 1: Write the proportion equation
   141,676.50 : 195,513.57 = 78,014.15 : x
2. Step 2: Convert to fraction form
   141,676.50/195,513.57 = 78,014.15/x
3. Step 3: Cross multiply
   141,676.50x = 195,513.57 × 78,014.15
4. Step 4: Simplify right side
   141,676.50x = 15,252,823,999.45
5. Step 5: Solve for x
   x = 15,252,823,999.45/141,676.50
6. Step 6: Final answer
   x = 107,659.52