Finding the Fourth Proportional to 16,992.18, 25,493.74 and 7,128.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,992.18 : 25,493.74 = 7,128.82 : x
2. Step 2: Convert to fraction form
   16,992.18/25,493.74 = 7,128.82/x
3. Step 3: Cross multiply
   16,992.18x = 25,493.74 × 7,128.82
4. Step 4: Simplify right side
   16,992.18x = 181,740,283.59
5. Step 5: Solve for x
   x = 181,740,283.59/16,992.18
6. Step 6: Final answer
   x = 10,695.52