Finding the Fourth Proportional to 9,551.69, 14,310.59 and 3,992.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,551.69 : 14,310.59 = 3,992.78 : x
2. Step 2: Convert to fraction form
   9,551.69/14,310.59 = 3,992.78/x
3. Step 3: Cross multiply
   9,551.69x = 14,310.59 × 3,992.78
4. Step 4: Simplify right side
   9,551.69x = 57,139,068.33
5. Step 5: Solve for x
   x = 57,139,068.33/9,551.69
6. Step 6: Final answer
   x = 5,982.09