Finding the Fourth Proportional to 12,029.55, 18,039.53 and 4,629.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,029.55 : 18,039.53 = 4,629.89 : x
2. Step 2: Convert to fraction form
   12,029.55/18,039.53 = 4,629.89/x
3. Step 3: Cross multiply
   12,029.55x = 18,039.53 × 4,629.89
4. Step 4: Simplify right side
   12,029.55x = 83,521,039.55
5. Step 5: Solve for x
   x = 83,521,039.55/12,029.55
6. Step 6: Final answer
   x = 6,942.99