Finding the Fourth Proportional to 2,282.93, 3,422.42 and 1,111.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,282.93 : 3,422.42 = 1,111.31 : x
2. Step 2: Convert to fraction form
   2,282.93/3,422.42 = 1,111.31/x
3. Step 3: Cross multiply
   2,282.93x = 3,422.42 × 1,111.31
4. Step 4: Simplify right side
   2,282.93x = 3,803,346.90
5. Step 5: Solve for x
   x = 3,803,346.90/2,282.93
6. Step 6: Final answer
   x = 1,665.99