Finding the Fourth Proportional to 2,431.86, 3,647.82 and 700.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,431.86 : 3,647.82 = 700.50 : x
2. Step 2: Convert to fraction form
   2,431.86/3,647.82 = 700.50/x
3. Step 3: Cross multiply
   2,431.86x = 3,647.82 × 700.50
4. Step 4: Simplify right side
   2,431.86x = 2,555,297.91
5. Step 5: Solve for x
   x = 2,555,297.91/2,431.86
6. Step 6: Final answer
   x = 1,050.76