Finding the Fourth Proportional to 1,073.02, 1,480.71 and 624.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,073.02 : 1,480.71 = 624.82 : x
2. Step 2: Convert to fraction form
   1,073.02/1,480.71 = 624.82/x
3. Step 3: Cross multiply
   1,073.02x = 1,480.71 × 624.82
4. Step 4: Simplify right side
   1,073.02x = 925,177.22
5. Step 5: Solve for x
   x = 925,177.22/1,073.02
6. Step 6: Final answer
   x = 862.22