Finding the Fourth Proportional to 8,013.45, 12,020.04 and 3,084.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,013.45 : 12,020.04 = 3,084.16 : x
2. Step 2: Convert to fraction form
   8,013.45/12,020.04 = 3,084.16/x
3. Step 3: Cross multiply
   8,013.45x = 12,020.04 × 3,084.16
4. Step 4: Simplify right side
   8,013.45x = 37,071,666.47
5. Step 5: Solve for x
   x = 37,071,666.47/8,013.45
6. Step 6: Final answer
   x = 4,626.18