Finding the Fourth Proportional to 1,275.56, 1,759.82 and 833.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,275.56 : 1,759.82 = 833.72 : x
2. Step 2: Convert to fraction form
   1,275.56/1,759.82 = 833.72/x
3. Step 3: Cross multiply
   1,275.56x = 1,759.82 × 833.72
4. Step 4: Simplify right side
   1,275.56x = 1,467,199.21
5. Step 5: Solve for x
   x = 1,467,199.21/1,275.56
6. Step 6: Final answer
   x = 1,150.24