Finding the Fourth Proportional to 123,162.32, 169,963.89 and 66,573.69

Step by Step Solution

1. Step 1: Write the proportion equation
   123,162.32 : 169,963.89 = 66,573.69 : x
2. Step 2: Convert to fraction form
   123,162.32/169,963.89 = 66,573.69/x
3. Step 3: Cross multiply
   123,162.32x = 169,963.89 × 66,573.69
4. Step 4: Simplify right side
   123,162.32x = 11,315,123,324.05
5. Step 5: Solve for x
   x = 11,315,123,324.05/123,162.32
6. Step 6: Final answer
   x = 91,871.63