Finding the Fourth Proportional to 1,042.73, 1,436.98 and 747.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,042.73 : 1,436.98 = 747.49 : x
2. Step 2: Convert to fraction form
   1,042.73/1,436.98 = 747.49/x
3. Step 3: Cross multiply
   1,042.73x = 1,436.98 × 747.49
4. Step 4: Simplify right side
   1,042.73x = 1,074,128.18
5. Step 5: Solve for x
   x = 1,074,128.18/1,042.73
6. Step 6: Final answer
   x = 1,030.11