Finding the Fourth Proportional to 89,698.77, 123,783.71 and 49,411.62

Step by Step Solution

1. Step 1: Write the proportion equation
   89,698.77 : 123,783.71 = 49,411.62 : x
2. Step 2: Convert to fraction form
   89,698.77/123,783.71 = 49,411.62/x
3. Step 3: Cross multiply
   89,698.77x = 123,783.71 × 49,411.62
4. Step 4: Simplify right side
   89,698.77x = 6,116,353,393.65
5. Step 5: Solve for x
   x = 6,116,353,393.65/89,698.77
6. Step 6: Final answer
   x = 68,187.71