Finding the Fourth Proportional to 89,571.62, 123,611.83 and 49,288.34

Step by Step Solution

1. Step 1: Write the proportion equation
   89,571.62 : 123,611.83 = 49,288.34 : x
2. Step 2: Convert to fraction form
   89,571.62/123,611.83 = 49,288.34/x
3. Step 3: Cross multiply
   89,571.62x = 123,611.83 × 49,288.34
4. Step 4: Simplify right side
   89,571.62x = 6,092,622,090.87
5. Step 5: Solve for x
   x = 6,092,622,090.87/89,571.62
6. Step 6: Final answer
   x = 68,019.56