Finding the Fourth Proportional to 22,476.13, 31,015.63 and 12,404.68

Step by Step Solution

1. Step 1: Write the proportion equation
   22,476.13 : 31,015.63 = 12,404.68 : x
2. Step 2: Convert to fraction form
   22,476.13/31,015.63 = 12,404.68/x
3. Step 3: Cross multiply
   22,476.13x = 31,015.63 × 12,404.68
4. Step 4: Simplify right side
   22,476.13x = 384,738,965.15
5. Step 5: Solve for x
   x = 384,738,965.15/22,476.13
6. Step 6: Final answer
   x = 17,117.67