Finding the Fourth Proportional to 2,025.69, 2,795.56 and 1,239.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,025.69 : 2,795.56 = 1,239.86 : x
2. Step 2: Convert to fraction form
   2,025.69/2,795.56 = 1,239.86/x
3. Step 3: Cross multiply
   2,025.69x = 2,795.56 × 1,239.86
4. Step 4: Simplify right side
   2,025.69x = 3,466,085.94
5. Step 5: Solve for x
   x = 3,466,085.94/2,025.69
6. Step 6: Final answer
   x = 1,711.06