Finding the Fourth Proportional to 1,036.38, 1,428.76 and 741.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036.38 : 1,428.76 = 741.12 : x
2. Step 2: Convert to fraction form
   1,036.38/1,428.76 = 741.12/x
3. Step 3: Cross multiply
   1,036.38x = 1,428.76 × 741.12
4. Step 4: Simplify right side
   1,036.38x = 1,058,882.61
5. Step 5: Solve for x
   x = 1,058,882.61/1,036.38
6. Step 6: Final answer
   x = 1,021.71