Finding the Fourth Proportional to 22,487.24, 31,031.58 and 12,415.46

Step by Step Solution

1. Step 1: Write the proportion equation
   22,487.24 : 31,031.58 = 12,415.46 : x
2. Step 2: Convert to fraction form
   22,487.24/31,031.58 = 12,415.46/x
3. Step 3: Cross multiply
   22,487.24x = 31,031.58 × 12,415.46
4. Step 4: Simplify right side
   22,487.24x = 385,271,340.23
5. Step 5: Solve for x
   x = 385,271,340.23/22,487.24
6. Step 6: Final answer
   x = 17,132.89