Finding the Fourth Proportional to 12,073.88, 18,111.63 and 3,308.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,073.88 : 18,111.63 = 3,308.06 : x
2. Step 2: Convert to fraction form
   12,073.88/18,111.63 = 3,308.06/x
3. Step 3: Cross multiply
   12,073.88x = 18,111.63 × 3,308.06
4. Step 4: Simplify right side
   12,073.88x = 59,914,358.74
5. Step 5: Solve for x
   x = 59,914,358.74/12,073.88
6. Step 6: Final answer
   x = 4,962.31