Finding the Fourth Proportional to 3,404.34, 5,106.71 and 1,323.65

Step by Step Solution

1. Step 1: Write the proportion equation
   3,404.34 : 5,106.71 = 1,323.65 : x
2. Step 2: Convert to fraction form
   3,404.34/5,106.71 = 1,323.65/x
3. Step 3: Cross multiply
   3,404.34x = 5,106.71 × 1,323.65
4. Step 4: Simplify right side
   3,404.34x = 6,759,496.69
5. Step 5: Solve for x
   x = 6,759,496.69/3,404.34
6. Step 6: Final answer
   x = 1,985.55