Finding the Fourth Proportional to 16,798.82, 25,190.95 and 5,109.34

Step by Step Solution

1. Step 1: Write the proportion equation
   16,798.82 : 25,190.95 = 5,109.34 : x
2. Step 2: Convert to fraction form
   16,798.82/25,190.95 = 5,109.34/x
3. Step 3: Cross multiply
   16,798.82x = 25,190.95 × 5,109.34
4. Step 4: Simplify right side
   16,798.82x = 128,709,128.47
5. Step 5: Solve for x
   x = 128,709,128.47/16,798.82
6. Step 6: Final answer
   x = 7,661.80