Finding the Fourth Proportional to 2,057.22, 2,838.96 and 1,113.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057.22 : 2,838.96 = 1,113.02 : x
2. Step 2: Convert to fraction form
   2,057.22/2,838.96 = 1,113.02/x
3. Step 3: Cross multiply
   2,057.22x = 2,838.96 × 1,113.02
4. Step 4: Simplify right side
   2,057.22x = 3,159,815.71
5. Step 5: Solve for x
   x = 3,159,815.71/2,057.22
6. Step 6: Final answer
   x = 1,535.96