Finding the Fourth Proportional to 64,752.59, 89,362.69 and 39,261.39

Step by Step Solution

1. Step 1: Write the proportion equation
   64,752.59 : 89,362.69 = 39,261.39 : x
2. Step 2: Convert to fraction form
   64,752.59/89,362.69 = 39,261.39/x
3. Step 3: Cross multiply
   64,752.59x = 89,362.69 × 39,261.39
4. Step 4: Simplify right side
   64,752.59x = 3,508,503,423.54
5. Step 5: Solve for x
   x = 3,508,503,423.54/64,752.59
6. Step 6: Final answer
   x = 54,183.21