Finding the Fourth Proportional to 3,949.58, 5,925.54 and 1,317.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,949.58 : 5,925.54 = 1,317.42 : x
2. Step 2: Convert to fraction form
   3,949.58/5,925.54 = 1,317.42/x
3. Step 3: Cross multiply
   3,949.58x = 5,925.54 × 1,317.42
4. Step 4: Simplify right side
   3,949.58x = 7,806,424.91
5. Step 5: Solve for x
   x = 7,806,424.91/3,949.58
6. Step 6: Final answer
   x = 1,976.52