Finding the Fourth Proportional to 11,630.30, 17,408.01 and 8,124.62

Step by Step Solution

1. Step 1: Write the proportion equation
   11,630.30 : 17,408.01 = 8,124.62 : x
2. Step 2: Convert to fraction form
   11,630.30/17,408.01 = 8,124.62/x
3. Step 3: Cross multiply
   11,630.30x = 17,408.01 × 8,124.62
4. Step 4: Simplify right side
   11,630.30x = 141,433,466.21
5. Step 5: Solve for x
   x = 141,433,466.21/11,630.30
6. Step 6: Final answer
   x = 12,160.78