Finding the Fourth Proportional to 3,755.82, 5,632.38 and 1,290

Step by Step Solution

1. Step 1: Write the proportion equation
   3,755.82 : 5,632.38 = 1,290 : x
2. Step 2: Convert to fraction form
   3,755.82/5,632.38 = 1,290/x
3. Step 3: Cross multiply
   3,755.82x = 5,632.38 × 1,290
4. Step 4: Simplify right side
   3,755.82x = 7,265,770.20
5. Step 5: Solve for x
   x = 7,265,770.20/3,755.82
6. Step 6: Final answer
   x = 1,934.54