Finding the Fourth Proportional to 6,288.48, 8,677.92 and 3,636.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,288.48 : 8,677.92 = 3,636.72 : x
2. Step 2: Convert to fraction form
   6,288.48/8,677.92 = 3,636.72/x
3. Step 3: Cross multiply
   6,288.48x = 8,677.92 × 3,636.72
4. Step 4: Simplify right side
   6,288.48x = 31,559,165.22
5. Step 5: Solve for x
   x = 31,559,165.22/6,288.48
6. Step 6: Final answer
   x = 5,018.57