Finding the Fourth Proportional to 12,089.34, 18,131.88 and 3,322.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,089.34 : 18,131.88 = 3,322.16 : x
2. Step 2: Convert to fraction form
   12,089.34/18,131.88 = 3,322.16/x
3. Step 3: Cross multiply
   12,089.34x = 18,131.88 × 3,322.16
4. Step 4: Simplify right side
   12,089.34x = 60,237,006.46
5. Step 5: Solve for x
   x = 60,237,006.46/12,089.34
6. Step 6: Final answer
   x = 4,982.65