Finding the Fourth Proportional to 1,083.43, 1,625.52 and 621.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,083.43 : 1,625.52 = 621.59 : x
2. Step 2: Convert to fraction form
   1,083.43/1,625.52 = 621.59/x
3. Step 3: Cross multiply
   1,083.43x = 1,625.52 × 621.59
4. Step 4: Simplify right side
   1,083.43x = 1,010,406.83
5. Step 5: Solve for x
   x = 1,010,406.83/1,083.43
6. Step 6: Final answer
   x = 932.60