Finding the Fourth Proportional to 11,805.89, 16,288.47 and 6,700.57

Step by Step Solution

1. Step 1: Write the proportion equation
   11,805.89 : 16,288.47 = 6,700.57 : x
2. Step 2: Convert to fraction form
   11,805.89/16,288.47 = 6,700.57/x
3. Step 3: Cross multiply
   11,805.89x = 16,288.47 × 6,700.57
4. Step 4: Simplify right side
   11,805.89x = 109,142,010.25
5. Step 5: Solve for x
   x = 109,142,010.25/11,805.89
6. Step 6: Final answer
   x = 9,244.71