Finding the Fourth Proportional to 141,961.82, 195,905.99 and 78,300.07

Step by Step Solution

1. Step 1: Write the proportion equation
   141,961.82 : 195,905.99 = 78,300.07 : x
2. Step 2: Convert to fraction form
   141,961.82/195,905.99 = 78,300.07/x
3. Step 3: Cross multiply
   141,961.82x = 195,905.99 × 78,300.07
4. Step 4: Simplify right side
   141,961.82x = 15,339,452,436.40
5. Step 5: Solve for x
   x = 15,339,452,436.40/141,961.82
6. Step 6: Final answer
   x = 108,053.37