Finding the Fourth Proportional to 11,605.71, 16,015.78 and 6,300.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,605.71 : 16,015.78 = 6,300.42 : x
2. Step 2: Convert to fraction form
   11,605.71/16,015.78 = 6,300.42/x
3. Step 3: Cross multiply
   11,605.71x = 16,015.78 × 6,300.42
4. Step 4: Simplify right side
   11,605.71x = 100,906,140.63
5. Step 5: Solve for x
   x = 100,906,140.63/11,605.71
6. Step 6: Final answer
   x = 8,694.53