Finding the Fourth Proportional to 6,460.69, 8,913.41 and 3,664.57

Step by Step Solution

1. Step 1: Write the proportion equation
   6,460.69 : 8,913.41 = 3,664.57 : x
2. Step 2: Convert to fraction form
   6,460.69/8,913.41 = 3,664.57/x
3. Step 3: Cross multiply
   6,460.69x = 8,913.41 × 3,664.57
4. Step 4: Simplify right side
   6,460.69x = 32,663,779.48
5. Step 5: Solve for x
   x = 32,663,779.48/6,460.69
6. Step 6: Final answer
   x = 5,055.78