Finding the Fourth Proportional to 17,131.77, 23,649.12 and 10,419.55

Step by Step Solution

1. Step 1: Write the proportion equation
   17,131.77 : 23,649.12 = 10,419.55 : x
2. Step 2: Convert to fraction form
   17,131.77/23,649.12 = 10,419.55/x
3. Step 3: Cross multiply
   17,131.77x = 23,649.12 × 10,419.55
4. Step 4: Simplify right side
   17,131.77x = 246,413,188.30
5. Step 5: Solve for x
   x = 246,413,188.30/17,131.77
6. Step 6: Final answer
   x = 14,383.41