Finding the Fourth Proportional to 12,341.52, 18,520.49 and 5,768.21

Step by Step Solution

1. Step 1: Write the proportion equation
   12,341.52 : 18,520.49 = 5,768.21 : x
2. Step 2: Convert to fraction form
   12,341.52/18,520.49 = 5,768.21/x
3. Step 3: Cross multiply
   12,341.52x = 18,520.49 × 5,768.21
4. Step 4: Simplify right side
   12,341.52x = 106,830,136.34
5. Step 5: Solve for x
   x = 106,830,136.34/12,341.52
6. Step 6: Final answer
   x = 8,656.16