Finding the Fourth Proportional to 13,606.38, 20,410.56 and 5,700.96

Step by Step Solution

1. Step 1: Write the proportion equation
   13,606.38 : 20,410.56 = 5,700.96 : x
2. Step 2: Convert to fraction form
   13,606.38/20,410.56 = 5,700.96/x
3. Step 3: Cross multiply
   13,606.38x = 20,410.56 × 5,700.96
4. Step 4: Simplify right side
   13,606.38x = 116,359,786.14
5. Step 5: Solve for x
   x = 116,359,786.14/13,606.38
6. Step 6: Final answer
   x = 8,551.85