Finding the Fourth Proportional to 89,722.77, 123,816.83 and 49,435.62

Step by Step Solution

1. Step 1: Write the proportion equation
   89,722.77 : 123,816.83 = 49,435.62 : x
2. Step 2: Convert to fraction form
   89,722.77/123,816.83 = 49,435.62/x
3. Step 3: Cross multiply
   89,722.77x = 123,816.83 × 49,435.62
4. Step 4: Simplify right side
   89,722.77x = 6,120,961,510.31
5. Step 5: Solve for x
   x = 6,120,961,510.31/89,722.77
6. Step 6: Final answer
   x = 68,220.83