Finding the Fourth Proportional to 22,475.12, 31,017.56 and 12,404.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,475.12 : 31,017.56 = 12,404.52 : x
2. Step 2: Convert to fraction form
   22,475.12/31,017.56 = 12,404.52/x
3. Step 3: Cross multiply
   22,475.12x = 31,017.56 × 12,404.52
4. Step 4: Simplify right side
   22,475.12x = 384,757,881.35
5. Step 5: Solve for x
   x = 384,757,881.35/22,475.12
6. Step 6: Final answer
   x = 17,119.28