Finding the Fourth Proportional to 8,363.57, 12,534.42 and 3,427.43

Step by Step Solution

1. Step 1: Write the proportion equation
   8,363.57 : 12,534.42 = 3,427.43 : x
2. Step 2: Convert to fraction form
   8,363.57/12,534.42 = 3,427.43/x
3. Step 3: Cross multiply
   8,363.57x = 12,534.42 × 3,427.43
4. Step 4: Simplify right side
   8,363.57x = 42,960,878.48
5. Step 5: Solve for x
   x = 42,960,878.48/8,363.57
6. Step 6: Final answer
   x = 5,136.67