Finding the Fourth Proportional to 89,574.46, 123,611.06 and 49,287.49

Step by Step Solution

1. Step 1: Write the proportion equation
   89,574.46 : 123,611.06 = 49,287.49 : x
2. Step 2: Convert to fraction form
   89,574.46/123,611.06 = 49,287.49/x
3. Step 3: Cross multiply
   89,574.46x = 123,611.06 × 49,287.49
4. Step 4: Simplify right side
   89,574.46x = 6,092,478,697.83
5. Step 5: Solve for x
   x = 6,092,478,697.83/89,574.46
6. Step 6: Final answer
   x = 68,015.80