Finding the Fourth Proportional to 1,062.33, 1,466.02 and 620.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,062.33 : 1,466.02 = 620.15 : x
2. Step 2: Convert to fraction form
   1,062.33/1,466.02 = 620.15/x
3. Step 3: Cross multiply
   1,062.33x = 1,466.02 × 620.15
4. Step 4: Simplify right side
   1,062.33x = 909,152.30
5. Step 5: Solve for x
   x = 909,152.30/1,062.33
6. Step 6: Final answer
   x = 855.81