Finding the Fourth Proportional to 32,665.92, 45,078.92 and 19,919.10

Step by Step Solution

1. Step 1: Write the proportion equation
   32,665.92 : 45,078.92 = 19,919.10 : x
2. Step 2: Convert to fraction form
   32,665.92/45,078.92 = 19,919.10/x
3. Step 3: Cross multiply
   32,665.92x = 45,078.92 × 19,919.10
4. Step 4: Simplify right side
   32,665.92x = 897,931,515.37
5. Step 5: Solve for x
   x = 897,931,515.37/32,665.92
6. Step 6: Final answer
   x = 27,488.33