Finding the Fourth Proportional to 1,048.52, 1,570.50 and 682.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,048.52 : 1,570.50 = 682.22 : x
2. Step 2: Convert to fraction form
   1,048.52/1,570.50 = 682.22/x
3. Step 3: Cross multiply
   1,048.52x = 1,570.50 × 682.22
4. Step 4: Simplify right side
   1,048.52x = 1,071,426.51
5. Step 5: Solve for x
   x = 1,071,426.51/1,048.52
6. Step 6: Final answer
   x = 1,021.85