Finding the Fourth Proportional to 1,062.51, 1,466.33 and 620.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,062.51 : 1,466.33 = 620.45 : x
2. Step 2: Convert to fraction form
   1,062.51/1,466.33 = 620.45/x
3. Step 3: Cross multiply
   1,062.51x = 1,466.33 × 620.45
4. Step 4: Simplify right side
   1,062.51x = 909,784.45
5. Step 5: Solve for x
   x = 909,784.45/1,062.51
6. Step 6: Final answer
   x = 856.26