Finding the Fourth Proportional to 32,648.19, 48,943.57 and 12,940.59

Step by Step Solution

1. Step 1: Write the proportion equation
   32,648.19 : 48,943.57 = 12,940.59 : x
2. Step 2: Convert to fraction form
   32,648.19/48,943.57 = 12,940.59/x
3. Step 3: Cross multiply
   32,648.19x = 48,943.57 × 12,940.59
4. Step 4: Simplify right side
   32,648.19x = 633,358,672.51
5. Step 5: Solve for x
   x = 633,358,672.51/32,648.19
6. Step 6: Final answer
   x = 19,399.50