Finding the Fourth Proportional to 3,756.83, 5,630.45 and 1,782.45

Step by Step Solution

1. Step 1: Write the proportion equation
   3,756.83 : 5,630.45 = 1,782.45 : x
2. Step 2: Convert to fraction form
   3,756.83/5,630.45 = 1,782.45/x
3. Step 3: Cross multiply
   3,756.83x = 5,630.45 × 1,782.45
4. Step 4: Simplify right side
   3,756.83x = 10,035,986.69
5. Step 5: Solve for x
   x = 10,035,986.69/3,756.83
6. Step 6: Final answer
   x = 2,671.40