Finding the Fourth Proportional to 16,868.99, 25,302.27 and 5,181.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,868.99 : 25,302.27 = 5,181.50 : x
2. Step 2: Convert to fraction form
   16,868.99/25,302.27 = 5,181.50/x
3. Step 3: Cross multiply
   16,868.99x = 25,302.27 × 5,181.50
4. Step 4: Simplify right side
   16,868.99x = 131,103,712.01
5. Step 5: Solve for x
   x = 131,103,712.01/16,868.99
6. Step 6: Final answer
   x = 7,771.88