Finding the Fourth Proportional to 22,280.30, 30,745.88 and 13,322.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,280.30 : 30,745.88 = 13,322.52 : x
2. Step 2: Convert to fraction form
   22,280.30/30,745.88 = 13,322.52/x
3. Step 3: Cross multiply
   22,280.30x = 30,745.88 × 13,322.52
4. Step 4: Simplify right side
   22,280.30x = 409,612,601.22
5. Step 5: Solve for x
   x = 409,612,601.22/22,280.30
6. Step 6: Final answer
   x = 18,384.52