Finding the Fourth Proportional to 21,513.08, 32,264.73 and 8,181.32

Step by Step Solution

1. Step 1: Write the proportion equation
   21,513.08 : 32,264.73 = 8,181.32 : x
2. Step 2: Convert to fraction form
   21,513.08/32,264.73 = 8,181.32/x
3. Step 3: Cross multiply
   21,513.08x = 32,264.73 × 8,181.32
4. Step 4: Simplify right side
   21,513.08x = 263,967,919.52
5. Step 5: Solve for x
   x = 263,967,919.52/21,513.08
6. Step 6: Final answer
   x = 12,270.12