Finding the Fourth Proportional to 12,086.83, 18,131.06 and 3,322.63

Step by Step Solution

1. Step 1: Write the proportion equation
   12,086.83 : 18,131.06 = 3,322.63 : x
2. Step 2: Convert to fraction form
   12,086.83/18,131.06 = 3,322.63/x
3. Step 3: Cross multiply
   12,086.83x = 18,131.06 × 3,322.63
4. Step 4: Simplify right side
   12,086.83x = 60,242,803.89
5. Step 5: Solve for x
   x = 60,242,803.89/12,086.83
6. Step 6: Final answer
   x = 4,984.17