Finding the Fourth Proportional to 8,722.35, 13,085.82 and 3,792.96

Step by Step Solution

1. Step 1: Write the proportion equation
   8,722.35 : 13,085.82 = 3,792.96 : x
2. Step 2: Convert to fraction form
   8,722.35/13,085.82 = 3,792.96/x
3. Step 3: Cross multiply
   8,722.35x = 13,085.82 × 3,792.96
4. Step 4: Simplify right side
   8,722.35x = 49,633,991.83
5. Step 5: Solve for x
   x = 49,633,991.83/8,722.35
6. Step 6: Final answer
   x = 5,690.44