Finding the Fourth Proportional to 2,074.56, 2,863.52 and 1,235.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074.56 : 2,863.52 = 1,235.87 : x
2. Step 2: Convert to fraction form
   2,074.56/2,863.52 = 1,235.87/x
3. Step 3: Cross multiply
   2,074.56x = 2,863.52 × 1,235.87
4. Step 4: Simplify right side
   2,074.56x = 3,538,938.46
5. Step 5: Solve for x
   x = 3,538,938.46/2,074.56
6. Step 6: Final answer
   x = 1,705.87