Finding the Fourth Proportional to 8,019.30, 12,030.93 and 3,089.29

Step by Step Solution

1. Step 1: Write the proportion equation
   8,019.30 : 12,030.93 = 3,089.29 : x
2. Step 2: Convert to fraction form
   8,019.30/12,030.93 = 3,089.29/x
3. Step 3: Cross multiply
   8,019.30x = 12,030.93 × 3,089.29
4. Step 4: Simplify right side
   8,019.30x = 37,167,024.22
5. Step 5: Solve for x
   x = 37,167,024.22/8,019.30
6. Step 6: Final answer
   x = 4,634.69