Finding the Fourth Proportional to 20,361.34, 30,543.83 and 5,570.33

Step by Step Solution

1. Step 1: Write the proportion equation
   20,361.34 : 30,543.83 = 5,570.33 : x
2. Step 2: Convert to fraction form
   20,361.34/30,543.83 = 5,570.33/x
3. Step 3: Cross multiply
   20,361.34x = 30,543.83 × 5,570.33
4. Step 4: Simplify right side
   20,361.34x = 170,139,184.71
5. Step 5: Solve for x
   x = 170,139,184.71/20,361.34
6. Step 6: Final answer
   x = 8,355.99