Finding the Fourth Proportional to 89,500.68, 123,514.02 and 49,215.96

Step by Step Solution

1. Step 1: Write the proportion equation
   89,500.68 : 123,514.02 = 49,215.96 : x
2. Step 2: Convert to fraction form
   89,500.68/123,514.02 = 49,215.96/x
3. Step 3: Cross multiply
   89,500.68x = 123,514.02 × 49,215.96
4. Step 4: Simplify right side
   89,500.68x = 6,078,861,067.76
5. Step 5: Solve for x
   x = 6,078,861,067.76/89,500.68
6. Step 6: Final answer
   x = 67,919.72