Finding the Fourth Proportional to 11,788.85, 17,683.83 and 3,892.06

Step by Step Solution

1. Step 1: Write the proportion equation
   11,788.85 : 17,683.83 = 3,892.06 : x
2. Step 2: Convert to fraction form
   11,788.85/17,683.83 = 3,892.06/x
3. Step 3: Cross multiply
   11,788.85x = 17,683.83 × 3,892.06
4. Step 4: Simplify right side
   11,788.85x = 68,826,527.39
5. Step 5: Solve for x
   x = 68,826,527.39/11,788.85
6. Step 6: Final answer
   x = 5,838.27