Finding the Fourth Proportional to 21,494.35, 32,223.15 and 8,159.88

Step by Step Solution

1. Step 1: Write the proportion equation
   21,494.35 : 32,223.15 = 8,159.88 : x
2. Step 2: Convert to fraction form
   21,494.35/32,223.15 = 8,159.88/x
3. Step 3: Cross multiply
   21,494.35x = 32,223.15 × 8,159.88
4. Step 4: Simplify right side
   21,494.35x = 262,937,037.22
5. Step 5: Solve for x
   x = 262,937,037.22/21,494.35
6. Step 6: Final answer
   x = 12,232.84