Finding the Fourth Proportional to 8,002.96, 12,003.06 and 3,619.40

Step by Step Solution

1. Step 1: Write the proportion equation
   8,002.96 : 12,003.06 = 3,619.40 : x
2. Step 2: Convert to fraction form
   8,002.96/12,003.06 = 3,619.40/x
3. Step 3: Cross multiply
   8,002.96x = 12,003.06 × 3,619.40
4. Step 4: Simplify right side
   8,002.96x = 43,443,857.27
5. Step 5: Solve for x
   x = 43,443,857.27/8,002.96
6. Step 6: Final answer
   x = 5,428.47