Finding the Fourth Proportional to 8,005.41, 12,009.89 and 3,075.06

Step by Step Solution

1. Step 1: Write the proportion equation
   8,005.41 : 12,009.89 = 3,075.06 : x
2. Step 2: Convert to fraction form
   8,005.41/12,009.89 = 3,075.06/x
3. Step 3: Cross multiply
   8,005.41x = 12,009.89 × 3,075.06
4. Step 4: Simplify right side
   8,005.41x = 36,931,132.34
5. Step 5: Solve for x
   x = 36,931,132.34/8,005.41
6. Step 6: Final answer
   x = 4,613.27