Finding the Fourth Proportional to 10,641, 14,688.24 and 6,449.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,641 : 14,688.24 = 6,449.25 : x
2. Step 2: Convert to fraction form
   10,641/14,688.24 = 6,449.25/x
3. Step 3: Cross multiply
   10,641x = 14,688.24 × 6,449.25
4. Step 4: Simplify right side
   10,641x = 94,728,131.82
5. Step 5: Solve for x
   x = 94,728,131.82/10,641
6. Step 6: Final answer
   x = 8,902.18