Finding the Fourth Proportional to 141,867.98, 195,779.17 and 78,208.05

Step by Step Solution

1. Step 1: Write the proportion equation
   141,867.98 : 195,779.17 = 78,208.05 : x
2. Step 2: Convert to fraction form
   141,867.98/195,779.17 = 78,208.05/x
3. Step 3: Cross multiply
   141,867.98x = 195,779.17 × 78,208.05
4. Step 4: Simplify right side
   141,867.98x = 15,311,507,116.32
5. Step 5: Solve for x
   x = 15,311,507,116.32/141,867.98
6. Step 6: Final answer
   x = 107,927.86