Finding the Fourth Proportional to 12,363.37, 18,540.69 and 5,343.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,363.37 : 18,540.69 = 5,343.10 : x
2. Step 2: Convert to fraction form
   12,363.37/18,540.69 = 5,343.10/x
3. Step 3: Cross multiply
   12,363.37x = 18,540.69 × 5,343.10
4. Step 4: Simplify right side
   12,363.37x = 99,064,760.74
5. Step 5: Solve for x
   x = 99,064,760.74/12,363.37
6. Step 6: Final answer
   x = 8,012.76