Finding the Fourth Proportional to 1,357.56, 1,872.72 and 832.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,357.56 : 1,872.72 = 832.68 : x
2. Step 2: Convert to fraction form
   1,357.56/1,872.72 = 832.68/x
3. Step 3: Cross multiply
   1,357.56x = 1,872.72 × 832.68
4. Step 4: Simplify right side
   1,357.56x = 1,559,376.49
5. Step 5: Solve for x
   x = 1,559,376.49/1,357.56
6. Step 6: Final answer
   x = 1,148.66