Finding the Fourth Proportional to 16,762.07, 25,146.18 and 5,518.05

Step by Step Solution

1. Step 1: Write the proportion equation
   16,762.07 : 25,146.18 = 5,518.05 : x
2. Step 2: Convert to fraction form
   16,762.07/25,146.18 = 5,518.05/x
3. Step 3: Cross multiply
   16,762.07x = 25,146.18 × 5,518.05
4. Step 4: Simplify right side
   16,762.07x = 138,757,878.55
5. Step 5: Solve for x
   x = 138,757,878.55/16,762.07
6. Step 6: Final answer
   x = 8,278.09