Finding the Fourth Proportional to 6,320.63, 8,721.81 and 3,667.52

Step by Step Solution

1. Step 1: Write the proportion equation
   6,320.63 : 8,721.81 = 3,667.52 : x
2. Step 2: Convert to fraction form
   6,320.63/8,721.81 = 3,667.52/x
3. Step 3: Cross multiply
   6,320.63x = 8,721.81 × 3,667.52
4. Step 4: Simplify right side
   6,320.63x = 31,987,412.61
5. Step 5: Solve for x
   x = 31,987,412.61/6,320.63
6. Step 6: Final answer
   x = 5,060.80