Finding the Fourth Proportional to 12,102.21, 18,153.42 and 3,337.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,102.21 : 18,153.42 = 3,337.59 : x
2. Step 2: Convert to fraction form
   12,102.21/18,153.42 = 3,337.59/x
3. Step 3: Cross multiply
   12,102.21x = 18,153.42 × 3,337.59
4. Step 4: Simplify right side
   12,102.21x = 60,588,673.06
5. Step 5: Solve for x
   x = 60,588,673.06/12,102.21
6. Step 6: Final answer
   x = 5,006.41