Finding the Fourth Proportional to 3,792.34, 5,690.81 and 1,329

Step by Step Solution

1. Step 1: Write the proportion equation
   3,792.34 : 5,690.81 = 1,329 : x
2. Step 2: Convert to fraction form
   3,792.34/5,690.81 = 1,329/x
3. Step 3: Cross multiply
   3,792.34x = 5,690.81 × 1,329
4. Step 4: Simplify right side
   3,792.34x = 7,563,086.49
5. Step 5: Solve for x
   x = 7,563,086.49/3,792.34
6. Step 6: Final answer
   x = 1,994.31