Finding the Fourth Proportional to 1,856.69, 2,562.19 and 1,049.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,856.69 : 2,562.19 = 1,049.07 : x
2. Step 2: Convert to fraction form
   1,856.69/2,562.19 = 1,049.07/x
3. Step 3: Cross multiply
   1,856.69x = 2,562.19 × 1,049.07
4. Step 4: Simplify right side
   1,856.69x = 2,687,914.04
5. Step 5: Solve for x
   x = 2,687,914.04/1,856.69
6. Step 6: Final answer
   x = 1,447.70