Finding the Fourth Proportional to 123,922.30, 171,013.20 and 70,217.26

Step by Step Solution

1. Step 1: Write the proportion equation
   123,922.30 : 171,013.20 = 70,217.26 : x
2. Step 2: Convert to fraction form
   123,922.30/171,013.20 = 70,217.26/x
3. Step 3: Cross multiply
   123,922.30x = 171,013.20 × 70,217.26
4. Step 4: Simplify right side
   123,922.30x = 12,008,078,327.83
5. Step 5: Solve for x
   x = 12,008,078,327.83/123,922.30
6. Step 6: Final answer
   x = 96,900.06