Finding the Fourth Proportional to 22,475.37, 31,015.43 and 12,403.68

Step by Step Solution

1. Step 1: Write the proportion equation
   22,475.37 : 31,015.43 = 12,403.68 : x
2. Step 2: Convert to fraction form
   22,475.37/31,015.43 = 12,403.68/x
3. Step 3: Cross multiply
   22,475.37x = 31,015.43 × 12,403.68
4. Step 4: Simplify right side
   22,475.37x = 384,705,468.78
5. Step 5: Solve for x
   x = 384,705,468.78/22,475.37
6. Step 6: Final answer
   x = 17,116.76