Finding the Fourth Proportional to 2,097.70, 3,144.25 and 1,056.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,097.70 : 3,144.25 = 1,056.04 : x
2. Step 2: Convert to fraction form
   2,097.70/3,144.25 = 1,056.04/x
3. Step 3: Cross multiply
   2,097.70x = 3,144.25 × 1,056.04
4. Step 4: Simplify right side
   2,097.70x = 3,320,453.77
5. Step 5: Solve for x
   x = 3,320,453.77/2,097.70
6. Step 6: Final answer
   x = 1,582.90