Finding the Fourth Proportional to 89,355.35, 123,338.07 and 57,524.25

Step by Step Solution

1. Step 1: Write the proportion equation
   89,355.35 : 123,338.07 = 57,524.25 : x
2. Step 2: Convert to fraction form
   89,355.35/123,338.07 = 57,524.25/x
3. Step 3: Cross multiply
   89,355.35x = 123,338.07 × 57,524.25
4. Step 4: Simplify right side
   89,355.35x = 7,094,929,685.58
5. Step 5: Solve for x
   x = 7,094,929,685.58/89,355.35
6. Step 6: Final answer
   x = 79,401.28