Finding the Fourth Proportional to 117,016.97, 175,414.74 and 72,065.97

Step by Step Solution

1. Step 1: Write the proportion equation
   117,016.97 : 175,414.74 = 72,065.97 : x
2. Step 2: Convert to fraction form
   117,016.97/175,414.74 = 72,065.97/x
3. Step 3: Cross multiply
   117,016.97x = 175,414.74 × 72,065.97
4. Step 4: Simplify right side
   117,016.97x = 12,641,433,390.40
5. Step 5: Solve for x
   x = 12,641,433,390.40/117,016.97
6. Step 6: Final answer
   x = 108,030.77