Finding the Fourth Proportional to 22,583.08, 31,162.12 and 12,509

Step by Step Solution

1. Step 1: Write the proportion equation
   22,583.08 : 31,162.12 = 12,509 : x
2. Step 2: Convert to fraction form
   22,583.08/31,162.12 = 12,509/x
3. Step 3: Cross multiply
   22,583.08x = 31,162.12 × 12,509
4. Step 4: Simplify right side
   22,583.08x = 389,806,959.08
5. Step 5: Solve for x
   x = 389,806,959.08/22,583.08
6. Step 6: Final answer
   x = 17,261.02