Finding the Fourth Proportional to 32,728.56, 45,164.16 and 18,580.56

Step by Step Solution

1. Step 1: Write the proportion equation
   32,728.56 : 45,164.16 = 18,580.56 : x
2. Step 2: Convert to fraction form
   32,728.56/45,164.16 = 18,580.56/x
3. Step 3: Cross multiply
   32,728.56x = 45,164.16 × 18,580.56
4. Step 4: Simplify right side
   32,728.56x = 839,175,384.73
5. Step 5: Solve for x
   x = 839,175,384.73/32,728.56
6. Step 6: Final answer
   x = 25,640.46