Finding the Fourth Proportional to 3,755.34, 5,631.61 and 1,289.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,755.34 : 5,631.61 = 1,289.46 : x
2. Step 2: Convert to fraction form
   3,755.34/5,631.61 = 1,289.46/x
3. Step 3: Cross multiply
   3,755.34x = 5,631.61 × 1,289.46
4. Step 4: Simplify right side
   3,755.34x = 7,261,735.83
5. Step 5: Solve for x
   x = 7,261,735.83/3,755.34
6. Step 6: Final answer
   x = 1,933.71