Finding the Fourth Proportional to 89,466.12, 123,460.81 and 49,179.89

Step by Step Solution

1. Step 1: Write the proportion equation
   89,466.12 : 123,460.81 = 49,179.89 : x
2. Step 2: Convert to fraction form
   89,466.12/123,460.81 = 49,179.89/x
3. Step 3: Cross multiply
   89,466.12x = 123,460.81 × 49,179.89
4. Step 4: Simplify right side
   89,466.12x = 6,071,789,240.81
5. Step 5: Solve for x
   x = 6,071,789,240.81/89,466.12
6. Step 6: Final answer
   x = 67,866.91