Finding the Fourth Proportional to 3,782.55, 5,674.59 and 1,317.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,782.55 : 5,674.59 = 1,317.56 : x
2. Step 2: Convert to fraction form
   3,782.55/5,674.59 = 1,317.56/x
3. Step 3: Cross multiply
   3,782.55x = 5,674.59 × 1,317.56
4. Step 4: Simplify right side
   3,782.55x = 7,476,631.93
5. Step 5: Solve for x
   x = 7,476,631.93/3,782.55
6. Step 6: Final answer
   x = 1,976.61