Finding the Fourth Proportional to 123,103.08, 169,879.88 and 69,387.05

Step by Step Solution

1. Step 1: Write the proportion equation
   123,103.08 : 169,879.88 = 69,387.05 : x
2. Step 2: Convert to fraction form
   123,103.08/169,879.88 = 69,387.05/x
3. Step 3: Cross multiply
   123,103.08x = 169,879.88 × 69,387.05
4. Step 4: Simplify right side
   123,103.08x = 11,787,464,325.72
5. Step 5: Solve for x
   x = 11,787,464,325.72/123,103.08
6. Step 6: Final answer
   x = 95,752.80