Finding the Fourth Proportional to 47,613.72, 65,717.82 and 30,817.56

Step by Step Solution

1. Step 1: Write the proportion equation
   47,613.72 : 65,717.82 = 30,817.56 : x
2. Step 2: Convert to fraction form
   47,613.72/65,717.82 = 30,817.56/x
3. Step 3: Cross multiply
   47,613.72x = 65,717.82 × 30,817.56
4. Step 4: Simplify right side
   47,613.72x = 2,025,262,860.92
5. Step 5: Solve for x
   x = 2,025,262,860.92/47,613.72
6. Step 6: Final answer
   x = 42,535.28