Finding the Fourth Proportional to 16,839.69, 25,259.53 and 7,477.51

Step by Step Solution

1. Step 1: Write the proportion equation
   16,839.69 : 25,259.53 = 7,477.51 : x
2. Step 2: Convert to fraction form
   16,839.69/25,259.53 = 7,477.51/x
3. Step 3: Cross multiply
   16,839.69x = 25,259.53 × 7,477.51
4. Step 4: Simplify right side
   16,839.69x = 188,878,388.17
5. Step 5: Solve for x
   x = 188,878,388.17/16,839.69
6. Step 6: Final answer
   x = 11,216.26