Finding the Fourth Proportional to 123,933.59, 171,027.78 and 70,218.49

Step by Step Solution

1. Step 1: Write the proportion equation
   123,933.59 : 171,027.78 = 70,218.49 : x
2. Step 2: Convert to fraction form
   123,933.59/171,027.78 = 70,218.49/x
3. Step 3: Cross multiply
   123,933.59x = 171,027.78 × 70,218.49
4. Step 4: Simplify right side
   123,933.59x = 12,009,311,604.51
5. Step 5: Solve for x
   x = 12,009,311,604.51/123,933.59
6. Step 6: Final answer
   x = 96,901.18