Finding the Fourth Proportional to 1,456.84, 2,169.92 and 1,426.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456.84 : 2,169.92 = 1,426.47 : x
2. Step 2: Convert to fraction form
   1,456.84/2,169.92 = 1,426.47/x
3. Step 3: Cross multiply
   1,456.84x = 2,169.92 × 1,426.47
4. Step 4: Simplify right side
   1,456.84x = 3,095,330.32
5. Step 5: Solve for x
   x = 3,095,330.32/1,456.84
6. Step 6: Final answer
   x = 2,124.68