Finding the Fourth Proportional to 1,067.01, 1,472.61 and 624.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,067.01 : 1,472.61 = 624.91 : x
2. Step 2: Convert to fraction form
   1,067.01/1,472.61 = 624.91/x
3. Step 3: Cross multiply
   1,067.01x = 1,472.61 × 624.91
4. Step 4: Simplify right side
   1,067.01x = 920,241.35
5. Step 5: Solve for x
   x = 920,241.35/1,067.01
6. Step 6: Final answer
   x = 862.45