Finding the Fourth Proportional to 3,791.37, 5,685.52 and 1,325.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,791.37 : 5,685.52 = 1,325.61 : x
2. Step 2: Convert to fraction form
   3,791.37/5,685.52 = 1,325.61/x
3. Step 3: Cross multiply
   3,791.37x = 5,685.52 × 1,325.61
4. Step 4: Simplify right side
   3,791.37x = 7,536,791.60
5. Step 5: Solve for x
   x = 7,536,791.60/3,791.37
6. Step 6: Final answer
   x = 1,987.88