Finding the Fourth Proportional to 2,431.98, 3,647.43 and 700.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,431.98 : 3,647.43 = 700.74 : x
2. Step 2: Convert to fraction form
   2,431.98/3,647.43 = 700.74/x
3. Step 3: Cross multiply
   2,431.98x = 3,647.43 × 700.74
4. Step 4: Simplify right side
   2,431.98x = 2,555,900.10
5. Step 5: Solve for x
   x = 2,555,900.10/2,431.98
6. Step 6: Final answer
   x = 1,050.95