Finding the Fourth Proportional to 11,791.37, 17,683.31 and 3,892.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,791.37 : 17,683.31 = 3,892.42 : x
2. Step 2: Convert to fraction form
   11,791.37/17,683.31 = 3,892.42/x
3. Step 3: Cross multiply
   11,791.37x = 17,683.31 × 3,892.42
4. Step 4: Simplify right side
   11,791.37x = 68,830,869.51
5. Step 5: Solve for x
   x = 68,830,869.51/11,791.37
6. Step 6: Final answer
   x = 5,837.39