Finding the Fourth Proportional to 1,041.73, 1,437.72 and 648.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,041.73 : 1,437.72 = 648.82 : x
2. Step 2: Convert to fraction form
   1,041.73/1,437.72 = 648.82/x
3. Step 3: Cross multiply
   1,041.73x = 1,437.72 × 648.82
4. Step 4: Simplify right side
   1,041.73x = 932,821.49
5. Step 5: Solve for x
   x = 932,821.49/1,041.73
6. Step 6: Final answer
   x = 895.45