Finding the Fourth Proportional to 22,575, 31,153.44 and 12,504.24

Step by Step Solution

1. Step 1: Write the proportion equation
   22,575 : 31,153.44 = 12,504.24 : x
2. Step 2: Convert to fraction form
   22,575/31,153.44 = 12,504.24/x
3. Step 3: Cross multiply
   22,575x = 31,153.44 × 12,504.24
4. Step 4: Simplify right side
   22,575x = 389,550,090.59
5. Step 5: Solve for x
   x = 389,550,090.59/22,575
6. Step 6: Final answer
   x = 17,255.82