Finding the Fourth Proportional to 89,983.98, 124,178.83 and 49,698.77

Step by Step Solution

1. Step 1: Write the proportion equation
   89,983.98 : 124,178.83 = 49,698.77 : x
2. Step 2: Convert to fraction form
   89,983.98/124,178.83 = 49,698.77/x
3. Step 3: Cross multiply
   89,983.98x = 124,178.83 × 49,698.77
4. Step 4: Simplify right side
   89,983.98x = 6,171,535,111.04
5. Step 5: Solve for x
   x = 6,171,535,111.04/89,983.98
6. Step 6: Final answer
   x = 68,584.82