Finding the Fourth Proportional to 3,540.57, 5,310.71 and 943.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,540.57 : 5,310.71 = 943.52 : x
2. Step 2: Convert to fraction form
   3,540.57/5,310.71 = 943.52/x
3. Step 3: Cross multiply
   3,540.57x = 5,310.71 × 943.52
4. Step 4: Simplify right side
   3,540.57x = 5,010,729.83
5. Step 5: Solve for x
   x = 5,010,729.83/3,540.57
6. Step 6: Final answer
   x = 1,415.23