Finding the Fourth Proportional to 23,680.82, 32,680.62 and 13,612.52

Step by Step Solution

1. Step 1: Write the proportion equation
   23,680.82 : 32,680.62 = 13,612.52 : x
2. Step 2: Convert to fraction form
   23,680.82/32,680.62 = 13,612.52/x
3. Step 3: Cross multiply
   23,680.82x = 32,680.62 × 13,612.52
4. Step 4: Simplify right side
   23,680.82x = 444,865,593.36
5. Step 5: Solve for x
   x = 444,865,593.36/23,680.82
6. Step 6: Final answer
   x = 18,785.90