Finding the Fourth Proportional to 1,822.69, 2,515.28 and 1,036.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,822.69 : 2,515.28 = 1,036.72 : x
2. Step 2: Convert to fraction form
   1,822.69/2,515.28 = 1,036.72/x
3. Step 3: Cross multiply
   1,822.69x = 2,515.28 × 1,036.72
4. Step 4: Simplify right side
   1,822.69x = 2,607,641.08
5. Step 5: Solve for x
   x = 2,607,641.08/1,822.69
6. Step 6: Final answer
   x = 1,430.66