Finding the Fourth Proportional to 89,466.61, 123,464.32 and 49,182.96

Step by Step Solution

1. Step 1: Write the proportion equation
   89,466.61 : 123,464.32 = 49,182.96 : x
2. Step 2: Convert to fraction form
   89,466.61/123,464.32 = 49,182.96/x
3. Step 3: Cross multiply
   89,466.61x = 123,464.32 × 49,182.96
4. Step 4: Simplify right side
   89,466.61x = 6,072,340,831.03
5. Step 5: Solve for x
   x = 6,072,340,831.03/89,466.61
6. Step 6: Final answer
   x = 67,872.71