Finding the Fourth Proportional to 11,779.57, 17,671.52 and 3,882.55

Step by Step Solution

1. Step 1: Write the proportion equation
   11,779.57 : 17,671.52 = 3,882.55 : x
2. Step 2: Convert to fraction form
   11,779.57/17,671.52 = 3,882.55/x
3. Step 3: Cross multiply
   11,779.57x = 17,671.52 × 3,882.55
4. Step 4: Simplify right side
   11,779.57x = 68,610,540.56
5. Step 5: Solve for x
   x = 68,610,540.56/11,779.57
6. Step 6: Final answer
   x = 5,824.54