Finding the Fourth Proportional to 16,818.02, 25,230.96 and 5,131.23

Step by Step Solution

1. Step 1: Write the proportion equation
   16,818.02 : 25,230.96 = 5,131.23 : x
2. Step 2: Convert to fraction form
   16,818.02/25,230.96 = 5,131.23/x
3. Step 3: Cross multiply
   16,818.02x = 25,230.96 × 5,131.23
4. Step 4: Simplify right side
   16,818.02x = 129,465,858.88
5. Step 5: Solve for x
   x = 129,465,858.88/16,818.02
6. Step 6: Final answer
   x = 7,698.05