Finding the Fourth Proportional to 1,780.59, 2,456.80 and 1,034.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,780.59 : 2,456.80 = 1,034.10 : x
2. Step 2: Convert to fraction form
   1,780.59/2,456.80 = 1,034.10/x
3. Step 3: Cross multiply
   1,780.59x = 2,456.80 × 1,034.10
4. Step 4: Simplify right side
   1,780.59x = 2,540,574.29
5. Step 5: Solve for x
   x = 2,540,574.29/1,780.59
6. Step 6: Final answer
   x = 1,426.82