Finding the Fourth Proportional to 21,404.84, 32,104.08 and 8,255.58

Step by Step Solution

1. Step 1: Write the proportion equation
   21,404.84 : 32,104.08 = 8,255.58 : x
2. Step 2: Convert to fraction form
   21,404.84/32,104.08 = 8,255.58/x
3. Step 3: Cross multiply
   21,404.84x = 32,104.08 × 8,255.58
4. Step 4: Simplify right side
   21,404.84x = 265,037,800.77
5. Step 5: Solve for x
   x = 265,037,800.77/21,404.84
6. Step 6: Final answer
   x = 12,382.14