Finding the Fourth Proportional to 11,365.82, 17,051.48 and 3,869.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,365.82 : 17,051.48 = 3,869.31 : x
2. Step 2: Convert to fraction form
   11,365.82/17,051.48 = 3,869.31/x
3. Step 3: Cross multiply
   11,365.82x = 17,051.48 × 3,869.31
4. Step 4: Simplify right side
   11,365.82x = 65,977,462.08
5. Step 5: Solve for x
   x = 65,977,462.08/11,365.82
6. Step 6: Final answer
   x = 5,804.90