Finding the Fourth Proportional to 89,795.88, 123,872.79 and 68,538.24

Step by Step Solution

1. Step 1: Write the proportion equation
   89,795.88 : 123,872.79 = 68,538.24 : x
2. Step 2: Convert to fraction form
   89,795.88/123,872.79 = 68,538.24/x
3. Step 3: Cross multiply
   89,795.88x = 123,872.79 × 68,538.24
4. Step 4: Simplify right side
   89,795.88x = 8,490,023,010.49
5. Step 5: Solve for x
   x = 8,490,023,010.49/89,795.88
6. Step 6: Final answer
   x = 94,548.02