Finding the Fourth Proportional to 20,562.84, 30,843.72 and 5,771.88

Step by Step Solution

1. Step 1: Write the proportion equation
   20,562.84 : 30,843.72 = 5,771.88 : x
2. Step 2: Convert to fraction form
   20,562.84/30,843.72 = 5,771.88/x
3. Step 3: Cross multiply
   20,562.84x = 30,843.72 × 5,771.88
4. Step 4: Simplify right side
   20,562.84x = 178,026,250.59
5. Step 5: Solve for x
   x = 178,026,250.59/20,562.84
6. Step 6: Final answer
   x = 8,657.67