Finding the Fourth Proportional to 16,980.27, 25,480.32 and 7,118.73

Step by Step Solution

1. Step 1: Write the proportion equation
   16,980.27 : 25,480.32 = 7,118.73 : x
2. Step 2: Convert to fraction form
   16,980.27/25,480.32 = 7,118.73/x
3. Step 3: Cross multiply
   16,980.27x = 25,480.32 × 7,118.73
4. Step 4: Simplify right side
   16,980.27x = 181,387,518.39
5. Step 5: Solve for x
   x = 181,387,518.39/16,980.27
6. Step 6: Final answer
   x = 10,682.25