Finding the Fourth Proportional to 119,706.57, 165,196.23 and 65,993.70

Step by Step Solution

1. Step 1: Write the proportion equation
   119,706.57 : 165,196.23 = 65,993.70 : x
2. Step 2: Convert to fraction form
   119,706.57/165,196.23 = 65,993.70/x
3. Step 3: Cross multiply
   119,706.57x = 165,196.23 × 65,993.70
4. Step 4: Simplify right side
   119,706.57x = 10,901,910,443.75
5. Step 5: Solve for x
   x = 10,901,910,443.75/119,706.57
6. Step 6: Final answer
   x = 91,071.95