Finding the Fourth Proportional to 11,782.69, 17,676.63 and 3,884.89

Step by Step Solution

1. Step 1: Write the proportion equation
   11,782.69 : 17,676.63 = 3,884.89 : x
2. Step 2: Convert to fraction form
   11,782.69/17,676.63 = 3,884.89/x
3. Step 3: Cross multiply
   11,782.69x = 17,676.63 × 3,884.89
4. Step 4: Simplify right side
   11,782.69x = 68,671,655.31
5. Step 5: Solve for x
   x = 68,671,655.31/11,782.69
6. Step 6: Final answer
   x = 5,828.18