Finding the Fourth Proportional to 17,173.86, 23,688.10 and 12,080.18

Step by Step Solution

1. Step 1: Write the proportion equation
   17,173.86 : 23,688.10 = 12,080.18 : x
2. Step 2: Convert to fraction form
   17,173.86/23,688.10 = 12,080.18/x
3. Step 3: Cross multiply
   17,173.86x = 23,688.10 × 12,080.18
4. Step 4: Simplify right side
   17,173.86x = 286,156,518.23
5. Step 5: Solve for x
   x = 286,156,518.23/17,173.86
6. Step 6: Final answer
   x = 16,662.33