Finding the Fourth Proportional to 123,164.33, 169,734.52 and 89,115.17

Step by Step Solution

1. Step 1: Write the proportion equation
   123,164.33 : 169,734.52 = 89,115.17 : x
2. Step 2: Convert to fraction form
   123,164.33/169,734.52 = 89,115.17/x
3. Step 3: Cross multiply
   123,164.33x = 169,734.52 × 89,115.17
4. Step 4: Simplify right side
   123,164.33x = 15,125,919,867.39
5. Step 5: Solve for x
   x = 15,125,919,867.39/123,164.33
6. Step 6: Final answer
   x = 122,810.89