Finding the Fourth Proportional to 1,853.96, 2,560.58 and 1,263.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,853.96 : 2,560.58 = 1,263.47 : x
2. Step 2: Convert to fraction form
   1,853.96/2,560.58 = 1,263.47/x
3. Step 3: Cross multiply
   1,853.96x = 2,560.58 × 1,263.47
4. Step 4: Simplify right side
   1,853.96x = 3,235,196.89
5. Step 5: Solve for x
   x = 3,235,196.89/1,853.96
6. Step 6: Final answer
   x = 1,745.02