Finding the Fourth Proportional to 16,724.15, 23,080.05 and 10,008.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,724.15 : 23,080.05 = 10,008.50 : x
2. Step 2: Convert to fraction form
   16,724.15/23,080.05 = 10,008.50/x
3. Step 3: Cross multiply
   16,724.15x = 23,080.05 × 10,008.50
4. Step 4: Simplify right side
   16,724.15x = 230,996,565.02
5. Step 5: Solve for x
   x = 230,996,565.02/16,724.15
6. Step 6: Final answer
   x = 13,812.16