Finding the Fourth Proportional to 1,009.43, 1,392.94 and 567.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,009.43 : 1,392.94 = 567.25 : x
2. Step 2: Convert to fraction form
   1,009.43/1,392.94 = 567.25/x
3. Step 3: Cross multiply
   1,009.43x = 1,392.94 × 567.25
4. Step 4: Simplify right side
   1,009.43x = 790,136.83
5. Step 5: Solve for x
   x = 790,136.83/1,009.43
6. Step 6: Final answer
   x = 782.76