Finding the Fourth Proportional to 17,173.83, 23,688.05 and 12,080.15

Step by Step Solution

1. Step 1: Write the proportion equation
   17,173.83 : 23,688.05 = 12,080.15 : x
2. Step 2: Convert to fraction form
   17,173.83/23,688.05 = 12,080.15/x
3. Step 3: Cross multiply
   17,173.83x = 23,688.05 × 12,080.15
4. Step 4: Simplify right side
   17,173.83x = 286,155,107.20
5. Step 5: Solve for x
   x = 286,155,107.20/17,173.83
6. Step 6: Final answer
   x = 16,662.28