Finding the Fourth Proportional to 64,949.20, 89,629.94 and 38,091.82

Step by Step Solution

1. Step 1: Write the proportion equation
   64,949.20 : 89,629.94 = 38,091.82 : x
2. Step 2: Convert to fraction form
   64,949.20/89,629.94 = 38,091.82/x
3. Step 3: Cross multiply
   64,949.20x = 89,629.94 × 38,091.82
4. Step 4: Simplify right side
   64,949.20x = 3,414,167,541.09
5. Step 5: Solve for x
   x = 3,414,167,541.09/64,949.20
6. Step 6: Final answer
   x = 52,566.74