Finding the Fourth Proportional to 1,048.86, 1,447.20 and 700.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,048.86 : 1,447.20 = 700.56 : x
2. Step 2: Convert to fraction form
   1,048.86/1,447.20 = 700.56/x
3. Step 3: Cross multiply
   1,048.86x = 1,447.20 × 700.56
4. Step 4: Simplify right side
   1,048.86x = 1,013,850.43
5. Step 5: Solve for x
   x = 1,013,850.43/1,048.86
6. Step 6: Final answer
   x = 966.62