Finding the Fourth Proportional to 16,776, 25,169.49 and 5,089.23

Step by Step Solution

1. Step 1: Write the proportion equation
   16,776 : 25,169.49 = 5,089.23 : x
2. Step 2: Convert to fraction form
   16,776/25,169.49 = 5,089.23/x
3. Step 3: Cross multiply
   16,776x = 25,169.49 × 5,089.23
4. Step 4: Simplify right side
   16,776x = 128,093,323.59
5. Step 5: Solve for x
   x = 128,093,323.59/16,776
6. Step 6: Final answer
   x = 7,635.51