Finding the Fourth Proportional to 8,648.02, 12,964.56 and 7,340.32

Step by Step Solution

1. Step 1: Write the proportion equation
   8,648.02 : 12,964.56 = 7,340.32 : x
2. Step 2: Convert to fraction form
   8,648.02/12,964.56 = 7,340.32/x
3. Step 3: Cross multiply
   8,648.02x = 12,964.56 × 7,340.32
4. Step 4: Simplify right side
   8,648.02x = 95,164,019.06
5. Step 5: Solve for x
   x = 95,164,019.06/8,648.02
6. Step 6: Final answer
   x = 11,004.14