Finding the Fourth Proportional to 1,633.86, 2,253.53 and 1,036.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,633.86 : 2,253.53 = 1,036.53 : x
2. Step 2: Convert to fraction form
   1,633.86/2,253.53 = 1,036.53/x
3. Step 3: Cross multiply
   1,633.86x = 2,253.53 × 1,036.53
4. Step 4: Simplify right side
   1,633.86x = 2,335,851.45
5. Step 5: Solve for x
   x = 2,335,851.45/1,633.86
6. Step 6: Final answer
   x = 1,429.65