Finding the Fourth Proportional to 12,019.02, 18,030.25 and 3,699.73

Step by Step Solution

1. Step 1: Write the proportion equation
   12,019.02 : 18,030.25 = 3,699.73 : x
2. Step 2: Convert to fraction form
   12,019.02/18,030.25 = 3,699.73/x
3. Step 3: Cross multiply
   12,019.02x = 18,030.25 × 3,699.73
4. Step 4: Simplify right side
   12,019.02x = 66,707,113.89
5. Step 5: Solve for x
   x = 66,707,113.89/12,019.02
6. Step 6: Final answer
   x = 5,550.13