Finding the Fourth Proportional to 89,557.59, 123,589.48 and 49,270.49

Step by Step Solution

1. Step 1: Write the proportion equation
   89,557.59 : 123,589.48 = 49,270.49 : x
2. Step 2: Convert to fraction form
   89,557.59/123,589.48 = 49,270.49/x
3. Step 3: Cross multiply
   89,557.59x = 123,589.48 × 49,270.49
4. Step 4: Simplify right side
   89,557.59x = 6,089,314,238.45
5. Step 5: Solve for x
   x = 6,089,314,238.45/89,557.59
6. Step 6: Final answer
   x = 67,993.28