Finding the Fourth Proportional to 8,019.81, 12,026.25 and 3,086.00

Step by Step Solution

1. Step 1: Write the proportion equation
   8,019.81 : 12,026.25 = 3,086.00 : x
2. Step 2: Convert to fraction form
   8,019.81/12,026.25 = 3,086.00/x
3. Step 3: Cross multiply
   8,019.81x = 12,026.25 × 3,086.00
4. Step 4: Simplify right side
   8,019.81x = 37,112,947.37
5. Step 5: Solve for x
   x = 37,112,947.37/8,019.81
6. Step 6: Final answer
   x = 4,627.66