Finding the Fourth Proportional to 22,476.15, 31,017.05 and 12,404.59

Step by Step Solution

1. Step 1: Write the proportion equation
   22,476.15 : 31,017.05 = 12,404.59 : x
2. Step 2: Convert to fraction form
   22,476.15/31,017.05 = 12,404.59/x
3. Step 3: Cross multiply
   22,476.15x = 31,017.05 × 12,404.59
4. Step 4: Simplify right side
   22,476.15x = 384,753,788.26
5. Step 5: Solve for x
   x = 384,753,788.26/22,476.15
6. Step 6: Final answer
   x = 17,118.31