Finding the Fourth Proportional to 22,482, 31,025.28 and 12,546

Step by Step Solution

1. Step 1: Write the proportion equation
   22,482 : 31,025.28 = 12,546 : x
2. Step 2: Convert to fraction form
   22,482/31,025.28 = 12,546/x
3. Step 3: Cross multiply
   22,482x = 31,025.28 × 12,546
4. Step 4: Simplify right side
   22,482x = 389,243,162.88
5. Step 5: Solve for x
   x = 389,243,162.88/22,482
6. Step 6: Final answer
   x = 17,313.55