Finding the Fourth Proportional to 2,085.23, 3,127.82 and 624.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,085.23 : 3,127.82 = 624.32 : x
2. Step 2: Convert to fraction form
   2,085.23/3,127.82 = 624.32/x
3. Step 3: Cross multiply
   2,085.23x = 3,127.82 × 624.32
4. Step 4: Simplify right side
   2,085.23x = 1,952,760.58
5. Step 5: Solve for x
   x = 1,952,760.58/2,085.23
6. Step 6: Final answer
   x = 936.47