Finding the Fourth Proportional to 2,431.89, 3,647.87 and 700.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,431.89 : 3,647.87 = 700.52 : x
2. Step 2: Convert to fraction form
   2,431.89/3,647.87 = 700.52/x
3. Step 3: Cross multiply
   2,431.89x = 3,647.87 × 700.52
4. Step 4: Simplify right side
   2,431.89x = 2,555,386.78
5. Step 5: Solve for x
   x = 2,555,386.78/2,431.89
6. Step 6: Final answer
   x = 1,050.78