Finding the Fourth Proportional to 89,580.72, 123,621.96 and 49,293.35

Step by Step Solution

1. Step 1: Write the proportion equation
   89,580.72 : 123,621.96 = 49,293.35 : x
2. Step 2: Convert to fraction form
   89,580.72/123,621.96 = 49,293.35/x
3. Step 3: Cross multiply
   89,580.72x = 123,621.96 × 49,293.35
4. Step 4: Simplify right side
   89,580.72x = 6,093,739,923.86
5. Step 5: Solve for x
   x = 6,093,739,923.86/89,580.72
6. Step 6: Final answer
   x = 68,025.13