Finding the Fourth Proportional to 64,809.97, 89,443.08 and 35,744.02

Step by Step Solution

1. Step 1: Write the proportion equation
   64,809.97 : 89,443.08 = 35,744.02 : x
2. Step 2: Convert to fraction form
   64,809.97/89,443.08 = 35,744.02/x
3. Step 3: Cross multiply
   64,809.97x = 89,443.08 × 35,744.02
4. Step 4: Simplify right side
   64,809.97x = 3,197,055,016.77
5. Step 5: Solve for x
   x = 3,197,055,016.77/64,809.97
6. Step 6: Final answer
   x = 49,329.68