Finding the Fourth Proportional to 32,661.51, 48,994.49 and 12,940.04

Step by Step Solution

1. Step 1: Write the proportion equation
   32,661.51 : 48,994.49 = 12,940.04 : x
2. Step 2: Convert to fraction form
   32,661.51/48,994.49 = 12,940.04/x
3. Step 3: Cross multiply
   32,661.51x = 48,994.49 × 12,940.04
4. Step 4: Simplify right side
   32,661.51x = 633,990,447.76
5. Step 5: Solve for x
   x = 633,990,447.76/32,661.51
6. Step 6: Final answer
   x = 19,410.94