Finding the Fourth Proportional to 123,933.78, 171,028.18 and 70,229.02

Step by Step Solution

1. Step 1: Write the proportion equation
   123,933.78 : 171,028.18 = 70,229.02 : x
2. Step 2: Convert to fraction form
   123,933.78/171,028.18 = 70,229.02/x
3. Step 3: Cross multiply
   123,933.78x = 171,028.18 × 70,229.02
4. Step 4: Simplify right side
   123,933.78x = 12,011,141,473.78
5. Step 5: Solve for x
   x = 12,011,141,473.78/123,933.78
6. Step 6: Final answer
   x = 96,915.80