Finding the Fourth Proportional to 3,755.34, 5,631.57 and 1,289.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,755.34 : 5,631.57 = 1,289.52 : x
2. Step 2: Convert to fraction form
   3,755.34/5,631.57 = 1,289.52/x
3. Step 3: Cross multiply
   3,755.34x = 5,631.57 × 1,289.52
4. Step 4: Simplify right side
   3,755.34x = 7,262,022.15
5. Step 5: Solve for x
   x = 7,262,022.15/3,755.34
6. Step 6: Final answer
   x = 1,933.79