Finding the Fourth Proportional to 141,797.58, 195,684.83 and 78,139.48

Step by Step Solution

1. Step 1: Write the proportion equation
   141,797.58 : 195,684.83 = 78,139.48 : x
2. Step 2: Convert to fraction form
   141,797.58/195,684.83 = 78,139.48/x
3. Step 3: Cross multiply
   141,797.58x = 195,684.83 × 78,139.48
4. Step 4: Simplify right side
   141,797.58x = 15,290,710,566.23
5. Step 5: Solve for x
   x = 15,290,710,566.23/141,797.58
6. Step 6: Final answer
   x = 107,834.78