Finding the Fourth Proportional to 123,123.37, 169,910.25 and 69,408.39

Step by Step Solution

1. Step 1: Write the proportion equation
   123,123.37 : 169,910.25 = 69,408.39 : x
2. Step 2: Convert to fraction form
   123,123.37/169,910.25 = 69,408.39/x
3. Step 3: Cross multiply
   123,123.37x = 169,910.25 × 69,408.39
4. Step 4: Simplify right side
   123,123.37x = 11,793,195,700.40
5. Step 5: Solve for x
   x = 11,793,195,700.40/123,123.37
6. Step 6: Final answer
   x = 95,783.57