Finding the Fourth Proportional to 3,727.65, 5,591.42 and 954.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,727.65 : 5,591.42 = 954.30 : x
2. Step 2: Convert to fraction form
   3,727.65/5,591.42 = 954.30/x
3. Step 3: Cross multiply
   3,727.65x = 5,591.42 × 954.30
4. Step 4: Simplify right side
   3,727.65x = 5,335,889.72
5. Step 5: Solve for x
   x = 5,335,889.72/3,727.65
6. Step 6: Final answer
   x = 1,431.43