Finding the Fourth Proportional to 1,357.34, 1,872.33 and 833

Step by Step Solution

1. Step 1: Write the proportion equation
   1,357.34 : 1,872.33 = 833 : x
2. Step 2: Convert to fraction form
   1,357.34/1,872.33 = 833/x
3. Step 3: Cross multiply
   1,357.34x = 1,872.33 × 833
4. Step 4: Simplify right side
   1,357.34x = 1,559,650.89
5. Step 5: Solve for x
   x = 1,559,650.89/1,357.34
6. Step 6: Final answer
   x = 1,149.05