Finding the Fourth Proportional to 1,780.23, 2,456.17 and 1,034.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,780.23 : 2,456.17 = 1,034.04 : x
2. Step 2: Convert to fraction form
   1,780.23/2,456.17 = 1,034.04/x
3. Step 3: Cross multiply
   1,780.23x = 2,456.17 × 1,034.04
4. Step 4: Simplify right side
   1,780.23x = 2,539,783.56
5. Step 5: Solve for x
   x = 2,539,783.56/1,780.23
6. Step 6: Final answer
   x = 1,426.66