Finding the Fourth Proportional to 11,882.09, 17,823.27 and 3,117.89

Step by Step Solution

1. Step 1: Write the proportion equation
   11,882.09 : 17,823.27 = 3,117.89 : x
2. Step 2: Convert to fraction form
   11,882.09/17,823.27 = 3,117.89/x
3. Step 3: Cross multiply
   11,882.09x = 17,823.27 × 3,117.89
4. Step 4: Simplify right side
   11,882.09x = 55,571,051.55
5. Step 5: Solve for x
   x = 55,571,051.55/11,882.09
6. Step 6: Final answer
   x = 4,676.87