Finding the Fourth Proportional to 12,073.18, 18,109.58 and 3,308.09

Step by Step Solution

1. Step 1: Write the proportion equation
   12,073.18 : 18,109.58 = 3,308.09 : x
2. Step 2: Convert to fraction form
   12,073.18/18,109.58 = 3,308.09/x
3. Step 3: Cross multiply
   12,073.18x = 18,109.58 × 3,308.09
4. Step 4: Simplify right side
   12,073.18x = 59,908,180.43
5. Step 5: Solve for x
   x = 59,908,180.43/12,073.18
6. Step 6: Final answer
   x = 4,962.09