Finding the Fourth Proportional to 8,018.21, 12,020.00 and 3,091.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,018.21 : 12,020.00 = 3,091.52 : x
2. Step 2: Convert to fraction form
   8,018.21/12,020.00 = 3,091.52/x
3. Step 3: Cross multiply
   8,018.21x = 12,020.00 × 3,091.52
4. Step 4: Simplify right side
   8,018.21x = 37,159,994.84
5. Step 5: Solve for x
   x = 37,159,994.84/8,018.21
6. Step 6: Final answer
   x = 4,634.45