Finding the Fourth Proportional to 32,788.16, 49,196.64 and 12,017.60

Step by Step Solution

1. Step 1: Write the proportion equation
   32,788.16 : 49,196.64 = 12,017.60 : x
2. Step 2: Convert to fraction form
   32,788.16/49,196.64 = 12,017.60/x
3. Step 3: Cross multiply
   32,788.16x = 49,196.64 × 12,017.60
4. Step 4: Simplify right side
   32,788.16x = 591,225,540.86
5. Step 5: Solve for x
   x = 591,225,540.86/32,788.16
6. Step 6: Final answer
   x = 18,031.68