Finding the Fourth Proportional to 123,118.18, 169,892.89 and 69,416.39

Step by Step Solution

1. Step 1: Write the proportion equation
   123,118.18 : 169,892.89 = 69,416.39 : x
2. Step 2: Convert to fraction form
   123,118.18/169,892.89 = 69,416.39/x
3. Step 3: Cross multiply
   123,118.18x = 169,892.89 × 69,416.39
4. Step 4: Simplify right side
   123,118.18x = 11,793,351,752.13
5. Step 5: Solve for x
   x = 11,793,351,752.13/123,118.18
6. Step 6: Final answer
   x = 95,788.88