Finding the Fourth Proportional to 32,429.39, 48,646.59 and 12,448.49

Step by Step Solution

1. Step 1: Write the proportion equation
   32,429.39 : 48,646.59 = 12,448.49 : x
2. Step 2: Convert to fraction form
   32,429.39/48,646.59 = 12,448.49/x
3. Step 3: Cross multiply
   32,429.39x = 48,646.59 × 12,448.49
4. Step 4: Simplify right side
   32,429.39x = 605,576,589.15
5. Step 5: Solve for x
   x = 605,576,589.15/32,429.39
6. Step 6: Final answer
   x = 18,673.70