Finding the Fourth Proportional to 89,499.99, 123,509.96 and 49,216.46

Step by Step Solution

1. Step 1: Write the proportion equation
   89,499.99 : 123,509.96 = 49,216.46 : x
2. Step 2: Convert to fraction form
   89,499.99/123,509.96 = 49,216.46/x
3. Step 3: Cross multiply
   89,499.99x = 123,509.96 × 49,216.46
4. Step 4: Simplify right side
   89,499.99x = 6,078,723,298.46
5. Step 5: Solve for x
   x = 6,078,723,298.46/89,499.99
6. Step 6: Final answer
   x = 67,918.71