Finding the Fourth Proportional to 20,514.78, 30,777.35 and 5,723.69

Step by Step Solution

1. Step 1: Write the proportion equation
   20,514.78 : 30,777.35 = 5,723.69 : x
2. Step 2: Convert to fraction form
   20,514.78/30,777.35 = 5,723.69/x
3. Step 3: Cross multiply
   20,514.78x = 30,777.35 × 5,723.69
4. Step 4: Simplify right side
   20,514.78x = 176,159,947.79
5. Step 5: Solve for x
   x = 176,159,947.79/20,514.78
6. Step 6: Final answer
   x = 8,586.98