Finding the Fourth Proportional to 141,820.62, 195,716.55 and 78,162.52

Step by Step Solution

1. Step 1: Write the proportion equation
   141,820.62 : 195,716.55 = 78,162.52 : x
2. Step 2: Convert to fraction form
   141,820.62/195,716.55 = 78,162.52/x
3. Step 3: Cross multiply
   141,820.62x = 195,716.55 × 78,162.52
4. Step 4: Simplify right side
   141,820.62x = 15,297,698,753.71
5. Step 5: Solve for x
   x = 15,297,698,753.71/141,820.62
6. Step 6: Final answer
   x = 107,866.53