Finding the Fourth Proportional to 10,800.81, 16,200.99 and 3,009.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,800.81 : 16,200.99 = 3,009.42 : x
2. Step 2: Convert to fraction form
   10,800.81/16,200.99 = 3,009.42/x
3. Step 3: Cross multiply
   10,800.81x = 16,200.99 × 3,009.42
4. Step 4: Simplify right side
   10,800.81x = 48,755,583.33
5. Step 5: Solve for x
   x = 48,755,583.33/10,800.81
6. Step 6: Final answer
   x = 4,514.07