Finding the Fourth Proportional to 141,693.48, 195,545.89 and 78,031.27

Step by Step Solution

1. Step 1: Write the proportion equation
   141,693.48 : 195,545.89 = 78,031.27 : x
2. Step 2: Convert to fraction form
   141,693.48/195,545.89 = 78,031.27/x
3. Step 3: Cross multiply
   141,693.48x = 195,545.89 × 78,031.27
4. Step 4: Simplify right side
   141,693.48x = 15,258,694,481.95
5. Step 5: Solve for x
   x = 15,258,694,481.95/141,693.48
6. Step 6: Final answer
   x = 107,688.05