Finding the Fourth Proportional to 32,667.30, 48,979.08 and 12,940.56

Step by Step Solution

1. Step 1: Write the proportion equation
   32,667.30 : 48,979.08 = 12,940.56 : x
2. Step 2: Convert to fraction form
   32,667.30/48,979.08 = 12,940.56/x
3. Step 3: Cross multiply
   32,667.30x = 48,979.08 × 12,940.56
4. Step 4: Simplify right side
   32,667.30x = 633,816,723.48
5. Step 5: Solve for x
   x = 633,816,723.48/32,667.30
6. Step 6: Final answer
   x = 19,402.18