Finding the Fourth Proportional to 2,648.08, 3,971.81 and 700.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648.08 : 3,971.81 = 700.43 : x
2. Step 2: Convert to fraction form
   2,648.08/3,971.81 = 700.43/x
3. Step 3: Cross multiply
   2,648.08x = 3,971.81 × 700.43
4. Step 4: Simplify right side
   2,648.08x = 2,781,971.38
5. Step 5: Solve for x
   x = 2,781,971.38/2,648.08
6. Step 6: Final answer
   x = 1,050.56