Finding the Fourth Proportional to 6,340.16, 9,501.72 and 2,638.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,340.16 : 9,501.72 = 2,638.10 : x
2. Step 2: Convert to fraction form
   6,340.16/9,501.72 = 2,638.10/x
3. Step 3: Cross multiply
   6,340.16x = 9,501.72 × 2,638.10
4. Step 4: Simplify right side
   6,340.16x = 25,066,487.53
5. Step 5: Solve for x
   x = 25,066,487.53/6,340.16
6. Step 6: Final answer
   x = 3,953.60