Finding the Fourth Proportional to 6,321.06, 8,722.32 and 3,667.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,321.06 : 8,722.32 = 3,667.50 : x
2. Step 2: Convert to fraction form
   6,321.06/8,722.32 = 3,667.50/x
3. Step 3: Cross multiply
   6,321.06x = 8,722.32 × 3,667.50
4. Step 4: Simplify right side
   6,321.06x = 31,989,108.60
5. Step 5: Solve for x
   x = 31,989,108.60/6,321.06
6. Step 6: Final answer
   x = 5,060.72