Finding the Fourth Proportional to 1,458.82, 2,012.88 and 927.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,458.82 : 2,012.88 = 927.91 : x
2. Step 2: Convert to fraction form
   1,458.82/2,012.88 = 927.91/x
3. Step 3: Cross multiply
   1,458.82x = 2,012.88 × 927.91
4. Step 4: Simplify right side
   1,458.82x = 1,867,771.48
5. Step 5: Solve for x
   x = 1,867,771.48/1,458.82
6. Step 6: Final answer
   x = 1,280.33