Finding the Fourth Proportional to 12,098.64, 18,144.72 and 3,331.47

Step by Step Solution

1. Step 1: Write the proportion equation
   12,098.64 : 18,144.72 = 3,331.47 : x
2. Step 2: Convert to fraction form
   12,098.64/18,144.72 = 3,331.47/x
3. Step 3: Cross multiply
   12,098.64x = 18,144.72 × 3,331.47
4. Step 4: Simplify right side
   12,098.64x = 60,448,590.34
5. Step 5: Solve for x
   x = 60,448,590.34/12,098.64
6. Step 6: Final answer
   x = 4,996.31