Finding the Fourth Proportional to 12,092.83, 18,139.34 and 3,328.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,092.83 : 18,139.34 = 3,328.22 : x
2. Step 2: Convert to fraction form
   12,092.83/18,139.34 = 3,328.22/x
3. Step 3: Cross multiply
   12,092.83x = 18,139.34 × 3,328.22
4. Step 4: Simplify right side
   12,092.83x = 60,371,767.84
5. Step 5: Solve for x
   x = 60,371,767.84/12,092.83
6. Step 6: Final answer
   x = 4,992.36