Finding the Fourth Proportional to 123,951.33, 170,994.48 and 89,885.09

Step by Step Solution

1. Step 1: Write the proportion equation
   123,951.33 : 170,994.48 = 89,885.09 : x
2. Step 2: Convert to fraction form
   123,951.33/170,994.48 = 89,885.09/x
3. Step 3: Cross multiply
   123,951.33x = 170,994.48 × 89,885.09
4. Step 4: Simplify right side
   123,951.33x = 15,369,854,224.30
5. Step 5: Solve for x
   x = 15,369,854,224.30/123,951.33
6. Step 6: Final answer
   x = 123,999.11