Finding the Fourth Proportional to 64,559.08, 96,751 and 31,212.72

Step by Step Solution

1. Step 1: Write the proportion equation
   64,559.08 : 96,751 = 31,212.72 : x
2. Step 2: Convert to fraction form
   64,559.08/96,751 = 31,212.72/x
3. Step 3: Cross multiply
   64,559.08x = 96,751 × 31,212.72
4. Step 4: Simplify right side
   64,559.08x = 3,019,861,872.72
5. Step 5: Solve for x
   x = 3,019,861,872.72/64,559.08
6. Step 6: Final answer
   x = 46,776.72