Finding the Fourth Proportional to 21,606.10, 32,386.91 and 8,275.48

Step by Step Solution

1. Step 1: Write the proportion equation
   21,606.10 : 32,386.91 = 8,275.48 : x
2. Step 2: Convert to fraction form
   21,606.10/32,386.91 = 8,275.48/x
3. Step 3: Cross multiply
   21,606.10x = 32,386.91 × 8,275.48
4. Step 4: Simplify right side
   21,606.10x = 268,017,103.62
5. Step 5: Solve for x
   x = 268,017,103.62/21,606.10
6. Step 6: Final answer
   x = 12,404.70