Finding the Fourth Proportional to 16,997.83, 23,460.38 and 10,861.61

Step by Step Solution

1. Step 1: Write the proportion equation
   16,997.83 : 23,460.38 = 10,861.61 : x
2. Step 2: Convert to fraction form
   16,997.83/23,460.38 = 10,861.61/x
3. Step 3: Cross multiply
   16,997.83x = 23,460.38 × 10,861.61
4. Step 4: Simplify right side
   16,997.83x = 254,817,498.01
5. Step 5: Solve for x
   x = 254,817,498.01/16,997.83
6. Step 6: Final answer
   x = 14,991.18