Finding the Fourth Proportional to 2,016.07, 3,024.10 and 921.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.07 : 3,024.10 = 921.35 : x
2. Step 2: Convert to fraction form
   2,016.07/3,024.10 = 921.35/x
3. Step 3: Cross multiply
   2,016.07x = 3,024.10 × 921.35
4. Step 4: Simplify right side
   2,016.07x = 2,786,254.54
5. Step 5: Solve for x
   x = 2,786,254.54/2,016.07
6. Step 6: Final answer
   x = 1,382.02