Finding the Fourth Proportional to 8,003.88, 12,005.94 and 3,621.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,003.88 : 12,005.94 = 3,621.48 : x
2. Step 2: Convert to fraction form
   8,003.88/12,005.94 = 3,621.48/x
3. Step 3: Cross multiply
   8,003.88x = 12,005.94 × 3,621.48
4. Step 4: Simplify right side
   8,003.88x = 43,479,271.59
5. Step 5: Solve for x
   x = 43,479,271.59/8,003.88
6. Step 6: Final answer
   x = 5,432.27