Finding the Fourth Proportional to 123,910.56, 170,991 and 70,194.48

Step by Step Solution

1. Step 1: Write the proportion equation
   123,910.56 : 170,991 = 70,194.48 : x
2. Step 2: Convert to fraction form
   123,910.56/170,991 = 70,194.48/x
3. Step 3: Cross multiply
   123,910.56x = 170,991 × 70,194.48
4. Step 4: Simplify right side
   123,910.56x = 12,002,624,329.68
5. Step 5: Solve for x
   x = 12,002,624,329.68/123,910.56
6. Step 6: Final answer
   x = 96,865.23