Finding the Fourth Proportional to 89,498.37, 123,508.59 and 49,212.39

Step by Step Solution

1. Step 1: Write the proportion equation
   89,498.37 : 123,508.59 = 49,212.39 : x
2. Step 2: Convert to fraction form
   89,498.37/123,508.59 = 49,212.39/x
3. Step 3: Cross multiply
   89,498.37x = 123,508.59 × 49,212.39
4. Step 4: Simplify right side
   89,498.37x = 6,078,152,899.43
5. Step 5: Solve for x
   x = 6,078,152,899.43/89,498.37
6. Step 6: Final answer
   x = 67,913.56