Finding the Fourth Proportional to 12,029.58, 16,603.83 and 9,630.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,029.58 : 16,603.83 = 9,630.18 : x
2. Step 2: Convert to fraction form
   12,029.58/16,603.83 = 9,630.18/x
3. Step 3: Cross multiply
   12,029.58x = 16,603.83 × 9,630.18
4. Step 4: Simplify right side
   12,029.58x = 159,897,871.59
5. Step 5: Solve for x
   x = 159,897,871.59/12,029.58
6. Step 6: Final answer
   x = 13,292.06