Finding the Fourth Proportional to 1,111.14, 1,533.09 and 756.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.14 : 1,533.09 = 756.42 : x
2. Step 2: Convert to fraction form
   1,111.14/1,533.09 = 756.42/x
3. Step 3: Cross multiply
   1,111.14x = 1,533.09 × 756.42
4. Step 4: Simplify right side
   1,111.14x = 1,159,659.94
5. Step 5: Solve for x
   x = 1,159,659.94/1,111.14
6. Step 6: Final answer
   x = 1,043.67