Finding the Fourth Proportional to 89,911.89, 124,078.77 and 49,626

Step by Step Solution

1. Step 1: Write the proportion equation
   89,911.89 : 124,078.77 = 49,626 : x
2. Step 2: Convert to fraction form
   89,911.89/124,078.77 = 49,626/x
3. Step 3: Cross multiply
   89,911.89x = 124,078.77 × 49,626
4. Step 4: Simplify right side
   89,911.89x = 6,157,533,040.02
5. Step 5: Solve for x
   x = 6,157,533,040.02/89,911.89
6. Step 6: Final answer
   x = 68,484.08