Finding the Fourth Proportional to 2,562.65, 3,845.17 and 1,329.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,562.65 : 3,845.17 = 1,329.39 : x
2. Step 2: Convert to fraction form
   2,562.65/3,845.17 = 1,329.39/x
3. Step 3: Cross multiply
   2,562.65x = 3,845.17 × 1,329.39
4. Step 4: Simplify right side
   2,562.65x = 5,111,730.55
5. Step 5: Solve for x
   x = 5,111,730.55/2,562.65
6. Step 6: Final answer
   x = 1,994.70