Finding the Fourth Proportional to 12,262.48, 18,397 and 3,498.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,262.48 : 18,397 = 3,498.16 : x
2. Step 2: Convert to fraction form
   12,262.48/18,397 = 3,498.16/x
3. Step 3: Cross multiply
   12,262.48x = 18,397 × 3,498.16
4. Step 4: Simplify right side
   12,262.48x = 64,355,649.52
5. Step 5: Solve for x
   x = 64,355,649.52/12,262.48
6. Step 6: Final answer
   x = 5,248.18