Finding the Fourth Proportional to 32,896.72, 45,401.80 and 18,746.32

Step by Step Solution

1. Step 1: Write the proportion equation
   32,896.72 : 45,401.80 = 18,746.32 : x
2. Step 2: Convert to fraction form
   32,896.72/45,401.80 = 18,746.32/x
3. Step 3: Cross multiply
   32,896.72x = 45,401.80 × 18,746.32
4. Step 4: Simplify right side
   32,896.72x = 851,116,671.38
5. Step 5: Solve for x
   x = 851,116,671.38/32,896.72
6. Step 6: Final answer
   x = 25,872.39