Finding the Fourth Proportional to 3,951.13, 5,924.71 and 1,317.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,951.13 : 5,924.71 = 1,317.71 : x
2. Step 2: Convert to fraction form
   3,951.13/5,924.71 = 1,317.71/x
3. Step 3: Cross multiply
   3,951.13x = 5,924.71 × 1,317.71
4. Step 4: Simplify right side
   3,951.13x = 7,807,049.61
5. Step 5: Solve for x
   x = 7,807,049.61/3,951.13
6. Step 6: Final answer
   x = 1,975.90