Finding the Fourth Proportional to 16,803.18, 25,199.39 and 5,556.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,803.18 : 25,199.39 = 5,556.42 : x
2. Step 2: Convert to fraction form
   16,803.18/25,199.39 = 5,556.42/x
3. Step 3: Cross multiply
   16,803.18x = 25,199.39 × 5,556.42
4. Step 4: Simplify right side
   16,803.18x = 140,018,366.80
5. Step 5: Solve for x
   x = 140,018,366.80/16,803.18
6. Step 6: Final answer
   x = 8,332.85