Finding the Fourth Proportional to 12,449.67, 17,172.99 and 7,410.53

Step by Step Solution

1. Step 1: Write the proportion equation
   12,449.67 : 17,172.99 = 7,410.53 : x
2. Step 2: Convert to fraction form
   12,449.67/17,172.99 = 7,410.53/x
3. Step 3: Cross multiply
   12,449.67x = 17,172.99 × 7,410.53
4. Step 4: Simplify right side
   12,449.67x = 127,260,871.72
5. Step 5: Solve for x
   x = 127,260,871.72/12,449.67
6. Step 6: Final answer
   x = 10,222.03