Finding the Fourth Proportional to 22,475.15, 31,015.67 and 12,403.59

Step by Step Solution

1. Step 1: Write the proportion equation
   22,475.15 : 31,015.67 = 12,403.59 : x
2. Step 2: Convert to fraction form
   22,475.15/31,015.67 = 12,403.59/x
3. Step 3: Cross multiply
   22,475.15x = 31,015.67 × 12,403.59
4. Step 4: Simplify right side
   22,475.15x = 384,705,685.26
5. Step 5: Solve for x
   x = 384,705,685.26/22,475.15
6. Step 6: Final answer
   x = 17,116.94