Finding the Fourth Proportional to 1,047.24, 1,568.76 and 699.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047.24 : 1,568.76 = 699.42 : x
2. Step 2: Convert to fraction form
   1,047.24/1,568.76 = 699.42/x
3. Step 3: Cross multiply
   1,047.24x = 1,568.76 × 699.42
4. Step 4: Simplify right side
   1,047.24x = 1,097,222.12
5. Step 5: Solve for x
   x = 1,097,222.12/1,047.24
6. Step 6: Final answer
   x = 1,047.73