Finding the Fourth Proportional to 21,674.30, 32,484.83 and 12,322.13

Step by Step Solution

1. Step 1: Write the proportion equation
   21,674.30 : 32,484.83 = 12,322.13 : x
2. Step 2: Convert to fraction form
   21,674.30/32,484.83 = 12,322.13/x
3. Step 3: Cross multiply
   21,674.30x = 32,484.83 × 12,322.13
4. Step 4: Simplify right side
   21,674.30x = 400,282,074.25
5. Step 5: Solve for x
   x = 400,282,074.25/21,674.30
6. Step 6: Final answer
   x = 18,468.06