Finding the Fourth Proportional to 22,944, 31,667.94 and 13,515.60

Step by Step Solution

1. Step 1: Write the proportion equation
   22,944 : 31,667.94 = 13,515.60 : x
2. Step 2: Convert to fraction form
   22,944/31,667.94 = 13,515.60/x
3. Step 3: Cross multiply
   22,944x = 31,667.94 × 13,515.60
4. Step 4: Simplify right side
   22,944x = 428,011,209.86
5. Step 5: Solve for x
   x = 428,011,209.86/22,944
6. Step 6: Final answer
   x = 18,654.60