Finding the Fourth Proportional to 12,028.55, 18,038.03 and 4,628.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,028.55 : 18,038.03 = 4,628.89 : x
2. Step 2: Convert to fraction form
   12,028.55/18,038.03 = 4,628.89/x
3. Step 3: Cross multiply
   12,028.55x = 18,038.03 × 4,628.89
4. Step 4: Simplify right side
   12,028.55x = 83,496,056.69
5. Step 5: Solve for x
   x = 83,496,056.69/12,028.55
6. Step 6: Final answer
   x = 6,941.49