Finding the Fourth Proportional to 3,881.69, 5,848.46 and 3,511.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,881.69 : 5,848.46 = 3,511.96 : x
2. Step 2: Convert to fraction form
   3,881.69/5,848.46 = 3,511.96/x
3. Step 3: Cross multiply
   3,881.69x = 5,848.46 × 3,511.96
4. Step 4: Simplify right side
   3,881.69x = 20,539,538.57
5. Step 5: Solve for x
   x = 20,539,538.57/3,881.69
6. Step 6: Final answer
   x = 5,291.39