Finding the Fourth Proportional to 1,357.53, 1,873.41 and 833.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,357.53 : 1,873.41 = 833.25 : x
2. Step 2: Convert to fraction form
   1,357.53/1,873.41 = 833.25/x
3. Step 3: Cross multiply
   1,357.53x = 1,873.41 × 833.25
4. Step 4: Simplify right side
   1,357.53x = 1,561,018.88
5. Step 5: Solve for x
   x = 1,561,018.88/1,357.53
6. Step 6: Final answer
   x = 1,149.90