Finding the Fourth Proportional to 32,667, 49,002.76 and 12,945.56

Step by Step Solution

1. Step 1: Write the proportion equation
   32,667 : 49,002.76 = 12,945.56 : x
2. Step 2: Convert to fraction form
   32,667/49,002.76 = 12,945.56/x
3. Step 3: Cross multiply
   32,667x = 49,002.76 × 12,945.56
4. Step 4: Simplify right side
   32,667x = 634,368,169.75
5. Step 5: Solve for x
   x = 634,368,169.75/32,667
6. Step 6: Final answer
   x = 19,419.24