Finding the Fourth Proportional to 141,055.72, 194,662.98 and 84,456.28

Step by Step Solution

1. Step 1: Write the proportion equation
   141,055.72 : 194,662.98 = 84,456.28 : x
2. Step 2: Convert to fraction form
   141,055.72/194,662.98 = 84,456.28/x
3. Step 3: Cross multiply
   141,055.72x = 194,662.98 × 84,456.28
4. Step 4: Simplify right side
   141,055.72x = 16,440,511,144.51
5. Step 5: Solve for x
   x = 16,440,511,144.51/141,055.72
6. Step 6: Final answer
   x = 116,553.31