Finding the Fourth Proportional to 12,080.34, 16,654.41 and 7,823.79

Step by Step Solution

1. Step 1: Write the proportion equation
   12,080.34 : 16,654.41 = 7,823.79 : x
2. Step 2: Convert to fraction form
   12,080.34/16,654.41 = 7,823.79/x
3. Step 3: Cross multiply
   12,080.34x = 16,654.41 × 7,823.79
4. Step 4: Simplify right side
   12,080.34x = 130,300,606.41
5. Step 5: Solve for x
   x = 130,300,606.41/12,080.34
6. Step 6: Final answer
   x = 10,786.17