Finding the Fourth Proportional to 1,042.25, 1,437.50 and 727.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,042.25 : 1,437.50 = 727.41 : x
2. Step 2: Convert to fraction form
   1,042.25/1,437.50 = 727.41/x
3. Step 3: Cross multiply
   1,042.25x = 1,437.50 × 727.41
4. Step 4: Simplify right side
   1,042.25x = 1,045,646.91
5. Step 5: Solve for x
   x = 1,045,646.91/1,042.25
6. Step 6: Final answer
   x = 1,003.26