Finding the Fourth Proportional to 21,661.98, 32,498.64 and 9,182.58

Step by Step Solution

1. Step 1: Write the proportion equation
   21,661.98 : 32,498.64 = 9,182.58 : x
2. Step 2: Convert to fraction form
   21,661.98/32,498.64 = 9,182.58/x
3. Step 3: Cross multiply
   21,661.98x = 32,498.64 × 9,182.58
4. Step 4: Simplify right side
   21,661.98x = 298,421,361.69
5. Step 5: Solve for x
   x = 298,421,361.69/21,661.98
6. Step 6: Final answer
   x = 13,776.27