Finding the Fourth Proportional to 123,245.74, 170,078.61 and 69,530.77

Step by Step Solution

1. Step 1: Write the proportion equation
   123,245.74 : 170,078.61 = 69,530.77 : x
2. Step 2: Convert to fraction form
   123,245.74/170,078.61 = 69,530.77/x
3. Step 3: Cross multiply
   123,245.74x = 170,078.61 × 69,530.77
4. Step 4: Simplify right side
   123,245.74x = 11,825,696,713.83
5. Step 5: Solve for x
   x = 11,825,696,713.83/123,245.74
6. Step 6: Final answer
   x = 95,952.17