Finding the Fourth Proportional to 1,041.45, 1,436.41 and 738.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,041.45 : 1,436.41 = 738.49 : x
2. Step 2: Convert to fraction form
   1,041.45/1,436.41 = 738.49/x
3. Step 3: Cross multiply
   1,041.45x = 1,436.41 × 738.49
4. Step 4: Simplify right side
   1,041.45x = 1,060,774.42
5. Step 5: Solve for x
   x = 1,060,774.42/1,041.45
6. Step 6: Final answer
   x = 1,018.56