Finding the Fourth Proportional to 123,150.89, 169,945.83 and 69,434.87

Step by Step Solution

1. Step 1: Write the proportion equation
   123,150.89 : 169,945.83 = 69,434.87 : x
2. Step 2: Convert to fraction form
   123,150.89/169,945.83 = 69,434.87/x
3. Step 3: Cross multiply
   123,150.89x = 169,945.83 × 69,434.87
4. Step 4: Simplify right side
   123,150.89x = 11,800,165,763.36
5. Step 5: Solve for x
   x = 11,800,165,763.36/123,150.89
6. Step 6: Final answer
   x = 95,818.76