Finding the Fourth Proportional to 2,056.79, 2,837.22 and 1,270.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056.79 : 2,837.22 = 1,270.28 : x
2. Step 2: Convert to fraction form
   2,056.79/2,837.22 = 1,270.28/x
3. Step 3: Cross multiply
   2,056.79x = 2,837.22 × 1,270.28
4. Step 4: Simplify right side
   2,056.79x = 3,604,063.82
5. Step 5: Solve for x
   x = 3,604,063.82/2,056.79
6. Step 6: Final answer
   x = 1,752.28