Finding the Fourth Proportional to 1,822.85, 2,515.31 and 1,036.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,822.85 : 2,515.31 = 1,036.91 : x
2. Step 2: Convert to fraction form
   1,822.85/2,515.31 = 1,036.91/x
3. Step 3: Cross multiply
   1,822.85x = 2,515.31 × 1,036.91
4. Step 4: Simplify right side
   1,822.85x = 2,608,144.91
5. Step 5: Solve for x
   x = 2,608,144.91/1,822.85
6. Step 6: Final answer
   x = 1,430.81