Finding the Fourth Proportional to 20,463.82, 30,692.68 and 5,671.19

Step by Step Solution

1. Step 1: Write the proportion equation
   20,463.82 : 30,692.68 = 5,671.19 : x
2. Step 2: Convert to fraction form
   20,463.82/30,692.68 = 5,671.19/x
3. Step 3: Cross multiply
   20,463.82x = 30,692.68 × 5,671.19
4. Step 4: Simplify right side
   20,463.82x = 174,064,019.89
5. Step 5: Solve for x
   x = 174,064,019.89/20,463.82
6. Step 6: Final answer
   x = 8,505.94