Finding the Fourth Proportional to 123,162.05, 169,963.52 and 66,573.43

Step by Step Solution

1. Step 1: Write the proportion equation
   123,162.05 : 169,963.52 = 66,573.43 : x
2. Step 2: Convert to fraction form
   123,162.05/169,963.52 = 66,573.43/x
3. Step 3: Cross multiply
   123,162.05x = 169,963.52 × 66,573.43
4. Step 4: Simplify right side
   123,162.05x = 11,315,053,743.50
5. Step 5: Solve for x
   x = 11,315,053,743.50/123,162.05
6. Step 6: Final answer
   x = 91,871.27