Finding the Fourth Proportional to 6,388.96, 9,584.88 and 4,540.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,388.96 : 9,584.88 = 4,540.72 : x
2. Step 2: Convert to fraction form
   6,388.96/9,584.88 = 4,540.72/x
3. Step 3: Cross multiply
   6,388.96x = 9,584.88 × 4,540.72
4. Step 4: Simplify right side
   6,388.96x = 43,522,256.31
5. Step 5: Solve for x
   x = 43,522,256.31/6,388.96
6. Step 6: Final answer
   x = 6,812.10