Finding the Fourth Proportional to 3,411.83, 5,117.76 and 1,039.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,411.83 : 5,117.76 = 1,039.94 : x
2. Step 2: Convert to fraction form
   3,411.83/5,117.76 = 1,039.94/x
3. Step 3: Cross multiply
   3,411.83x = 5,117.76 × 1,039.94
4. Step 4: Simplify right side
   3,411.83x = 5,322,132.55
5. Step 5: Solve for x
   x = 5,322,132.55/3,411.83
6. Step 6: Final answer
   x = 1,559.91