Finding the Fourth Proportional to 2,085.01, 3,128.01 and 624.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,085.01 : 3,128.01 = 624.13 : x
2. Step 2: Convert to fraction form
   2,085.01/3,128.01 = 624.13/x
3. Step 3: Cross multiply
   2,085.01x = 3,128.01 × 624.13
4. Step 4: Simplify right side
   2,085.01x = 1,952,284.88
5. Step 5: Solve for x
   x = 1,952,284.88/2,085.01
6. Step 6: Final answer
   x = 936.34