Finding the Fourth Proportional to 89,716.72, 123,860.40 and 59,542.96

Step by Step Solution

1. Step 1: Write the proportion equation
   89,716.72 : 123,860.40 = 59,542.96 : x
2. Step 2: Convert to fraction form
   89,716.72/123,860.40 = 59,542.96/x
3. Step 3: Cross multiply
   89,716.72x = 123,860.40 × 59,542.96
4. Step 4: Simplify right side
   89,716.72x = 7,375,014,842.78
5. Step 5: Solve for x
   x = 7,375,014,842.78/89,716.72
6. Step 6: Final answer
   x = 82,203.35