Finding the Fourth Proportional to 2,117.75, 2,921.01 and 1,456.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,117.75 : 2,921.01 = 1,456.18 : x
2. Step 2: Convert to fraction form
   2,117.75/2,921.01 = 1,456.18/x
3. Step 3: Cross multiply
   2,117.75x = 2,921.01 × 1,456.18
4. Step 4: Simplify right side
   2,117.75x = 4,253,511.77
5. Step 5: Solve for x
   x = 4,253,511.77/2,117.75
6. Step 6: Final answer
   x = 2,008.51