Finding the Fourth Proportional to 8,021.07, 12,031.59 and 3,577.59

Step by Step Solution

1. Step 1: Write the proportion equation
   8,021.07 : 12,031.59 = 3,577.59 : x
2. Step 2: Convert to fraction form
   8,021.07/12,031.59 = 3,577.59/x
3. Step 3: Cross multiply
   8,021.07x = 12,031.59 × 3,577.59
4. Step 4: Simplify right side
   8,021.07x = 43,044,096.07
5. Step 5: Solve for x
   x = 43,044,096.07/8,021.07
6. Step 6: Final answer
   x = 5,366.38