Finding the Fourth Proportional to 3,782.10, 5,673.42 and 1,316.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,782.10 : 5,673.42 = 1,316.61 : x
2. Step 2: Convert to fraction form
   3,782.10/5,673.42 = 1,316.61/x
3. Step 3: Cross multiply
   3,782.10x = 5,673.42 × 1,316.61
4. Step 4: Simplify right side
   3,782.10x = 7,469,681.51
5. Step 5: Solve for x
   x = 7,469,681.51/3,782.10
6. Step 6: Final answer
   x = 1,975.01