Finding the Fourth Proportional to 89,310.29, 123,248.47 and 49,028.18

Step by Step Solution

1. Step 1: Write the proportion equation
   89,310.29 : 123,248.47 = 49,028.18 : x
2. Step 2: Convert to fraction form
   89,310.29/123,248.47 = 49,028.18/x
3. Step 3: Cross multiply
   89,310.29x = 123,248.47 × 49,028.18
4. Step 4: Simplify right side
   89,310.29x = 6,042,648,171.88
5. Step 5: Solve for x
   x = 6,042,648,171.88/89,310.29
6. Step 6: Final answer
   x = 67,659.04