Finding the Fourth Proportional to 64,900.47, 89,563.68 and 36,606.72

Step by Step Solution

1. Step 1: Write the proportion equation
   64,900.47 : 89,563.68 = 36,606.72 : x
2. Step 2: Convert to fraction form
   64,900.47/89,563.68 = 36,606.72/x
3. Step 3: Cross multiply
   64,900.47x = 89,563.68 × 36,606.72
4. Step 4: Simplify right side
   64,900.47x = 3,278,632,555.93
5. Step 5: Solve for x
   x = 3,278,632,555.93/64,900.47
6. Step 6: Final answer
   x = 50,517.86