Finding the Fourth Proportional to 123,922.55, 171,013.55 and 70,217.51

Step by Step Solution

1. Step 1: Write the proportion equation
   123,922.55 : 171,013.55 = 70,217.51 : x
2. Step 2: Convert to fraction form
   123,922.55/171,013.55 = 70,217.51/x
3. Step 3: Cross multiply
   123,922.55x = 171,013.55 × 70,217.51
4. Step 4: Simplify right side
   123,922.55x = 12,008,145,306.17
5. Step 5: Solve for x
   x = 12,008,145,306.17/123,922.55
6. Step 6: Final answer
   x = 96,900.41