Finding the Fourth Proportional to 12,074.34, 18,108.73 and 3,309.93

Step by Step Solution

1. Step 1: Write the proportion equation
   12,074.34 : 18,108.73 = 3,309.93 : x
2. Step 2: Convert to fraction form
   12,074.34/18,108.73 = 3,309.93/x
3. Step 3: Cross multiply
   12,074.34x = 18,108.73 × 3,309.93
4. Step 4: Simplify right side
   12,074.34x = 59,938,628.69
5. Step 5: Solve for x
   x = 59,938,628.69/12,074.34
6. Step 6: Final answer
   x = 4,964.13