Finding the Fourth Proportional to 64,747.59, 89,345.27 and 36,066.28

Step by Step Solution

1. Step 1: Write the proportion equation
   64,747.59 : 89,345.27 = 36,066.28 : x
2. Step 2: Convert to fraction form
   64,747.59/89,345.27 = 36,066.28/x
3. Step 3: Cross multiply
   64,747.59x = 89,345.27 × 36,066.28
4. Step 4: Simplify right side
   64,747.59x = 3,222,351,391.30
5. Step 5: Solve for x
   x = 3,222,351,391.30/64,747.59
6. Step 6: Final answer
   x = 49,767.90