Finding the Fourth Proportional to 1,067.34, 1,472.76 and 625.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,067.34 : 1,472.76 = 625.20 : x
2. Step 2: Convert to fraction form
   1,067.34/1,472.76 = 625.20/x
3. Step 3: Cross multiply
   1,067.34x = 1,472.76 × 625.20
4. Step 4: Simplify right side
   1,067.34x = 920,769.55
5. Step 5: Solve for x
   x = 920,769.55/1,067.34
6. Step 6: Final answer
   x = 862.68