Finding the Fourth Proportional to 1,019.91, 1,406.14 and 736.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,019.91 : 1,406.14 = 736.09 : x
2. Step 2: Convert to fraction form
   1,019.91/1,406.14 = 736.09/x
3. Step 3: Cross multiply
   1,019.91x = 1,406.14 × 736.09
4. Step 4: Simplify right side
   1,019.91x = 1,035,049.11
5. Step 5: Solve for x
   x = 1,035,049.11/1,019.91
6. Step 6: Final answer
   x = 1,014.84