Finding the Fourth Proportional to 89,499.57, 123,509.41 and 49,216.04

Step by Step Solution

1. Step 1: Write the proportion equation
   89,499.57 : 123,509.41 = 49,216.04 : x
2. Step 2: Convert to fraction form
   89,499.57/123,509.41 = 49,216.04/x
3. Step 3: Cross multiply
   89,499.57x = 123,509.41 × 49,216.04
4. Step 4: Simplify right side
   89,499.57x = 6,078,643,785.51
5. Step 5: Solve for x
   x = 6,078,643,785.51/89,499.57
6. Step 6: Final answer
   x = 67,918.14