Finding the Fourth Proportional to 3,792.53, 5,687.67 and 1,326.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,792.53 : 5,687.67 = 1,326.89 : x
2. Step 2: Convert to fraction form
   3,792.53/5,687.67 = 1,326.89/x
3. Step 3: Cross multiply
   3,792.53x = 5,687.67 × 1,326.89
4. Step 4: Simplify right side
   3,792.53x = 7,546,884.01
5. Step 5: Solve for x
   x = 7,546,884.01/3,792.53
6. Step 6: Final answer
   x = 1,989.94