Finding the Fourth Proportional to 12,084.82, 18,126.42 and 3,319

Step by Step Solution

1. Step 1: Write the proportion equation
   12,084.82 : 18,126.42 = 3,319 : x
2. Step 2: Convert to fraction form
   12,084.82/18,126.42 = 3,319/x
3. Step 3: Cross multiply
   12,084.82x = 18,126.42 × 3,319
4. Step 4: Simplify right side
   12,084.82x = 60,161,587.98
5. Step 5: Solve for x
   x = 60,161,587.98/12,084.82
6. Step 6: Final answer
   x = 4,978.28