Finding the Fourth Proportional to 2,047.22, 3,070.56 and 1,122.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047.22 : 3,070.56 = 1,122.56 : x
2. Step 2: Convert to fraction form
   2,047.22/3,070.56 = 1,122.56/x
3. Step 3: Cross multiply
   2,047.22x = 3,070.56 × 1,122.56
4. Step 4: Simplify right side
   2,047.22x = 3,446,887.83
5. Step 5: Solve for x
   x = 3,446,887.83/2,047.22
6. Step 6: Final answer
   x = 1,683.69