Finding the Fourth Proportional to 1,276.27, 1,761.15 and 833.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,276.27 : 1,761.15 = 833.47 : x
2. Step 2: Convert to fraction form
   1,276.27/1,761.15 = 833.47/x
3. Step 3: Cross multiply
   1,276.27x = 1,761.15 × 833.47
4. Step 4: Simplify right side
   1,276.27x = 1,467,865.69
5. Step 5: Solve for x
   x = 1,467,865.69/1,276.27
6. Step 6: Final answer
   x = 1,150.12