Finding the Fourth Proportional to 141,820.42, 195,713.52 and 78,160.54

Step by Step Solution

1. Step 1: Write the proportion equation
   141,820.42 : 195,713.52 = 78,160.54 : x
2. Step 2: Convert to fraction form
   141,820.42/195,713.52 = 78,160.54/x
3. Step 3: Cross multiply
   141,820.42x = 195,713.52 × 78,160.54
4. Step 4: Simplify right side
   141,820.42x = 15,297,074,408.50
5. Step 5: Solve for x
   x = 15,297,074,408.50/141,820.42
6. Step 6: Final answer
   x = 107,862.28