Finding the Fourth Proportional to 89,851.79, 123,995.12 and 49,568.06

Step by Step Solution

1. Step 1: Write the proportion equation
   89,851.79 : 123,995.12 = 49,568.06 : x
2. Step 2: Convert to fraction form
   89,851.79/123,995.12 = 49,568.06/x
3. Step 3: Cross multiply
   89,851.79x = 123,995.12 × 49,568.06
4. Step 4: Simplify right side
   89,851.79x = 6,146,196,680.05
5. Step 5: Solve for x
   x = 6,146,196,680.05/89,851.79
6. Step 6: Final answer
   x = 68,403.72