Finding the Fourth Proportional to 6,391.47, 8,821.06 and 3,667.07

Step by Step Solution

1. Step 1: Write the proportion equation
   6,391.47 : 8,821.06 = 3,667.07 : x
2. Step 2: Convert to fraction form
   6,391.47/8,821.06 = 3,667.07/x
3. Step 3: Cross multiply
   6,391.47x = 8,821.06 × 3,667.07
4. Step 4: Simplify right side
   6,391.47x = 32,347,444.49
5. Step 5: Solve for x
   x = 32,347,444.49/6,391.47
6. Step 6: Final answer
   x = 5,061.03