Finding the Fourth Proportional to 7,007.82, 9,671.00 and 3,864.21

Step by Step Solution

1. Step 1: Write the proportion equation
   7,007.82 : 9,671.00 = 3,864.21 : x
2. Step 2: Convert to fraction form
   7,007.82/9,671.00 = 3,864.21/x
3. Step 3: Cross multiply
   7,007.82x = 9,671.00 × 3,864.21
4. Step 4: Simplify right side
   7,007.82x = 37,370,755.59
5. Step 5: Solve for x
   x = 37,370,755.59/7,007.82
6. Step 6: Final answer
   x = 5,332.72