Finding the Fourth Proportional to 17,123.81, 23,631.77 and 10,408.35

Step by Step Solution

1. Step 1: Write the proportion equation
   17,123.81 : 23,631.77 = 10,408.35 : x
2. Step 2: Convert to fraction form
   17,123.81/23,631.77 = 10,408.35/x
3. Step 3: Cross multiply
   17,123.81x = 23,631.77 × 10,408.35
4. Step 4: Simplify right side
   17,123.81x = 245,967,681.24
5. Step 5: Solve for x
   x = 245,967,681.24/17,123.81
6. Step 6: Final answer
   x = 14,364.07