Finding the Fourth Proportional to 16,646.30, 24,968.84 and 4,959.21

Step by Step Solution

1. Step 1: Write the proportion equation
   16,646.30 : 24,968.84 = 4,959.21 : x
2. Step 2: Convert to fraction form
   16,646.30/24,968.84 = 4,959.21/x
3. Step 3: Cross multiply
   16,646.30x = 24,968.84 × 4,959.21
4. Step 4: Simplify right side
   16,646.30x = 123,825,721.02
5. Step 5: Solve for x
   x = 123,825,721.02/16,646.30
6. Step 6: Final answer
   x = 7,438.63