Finding the Fourth Proportional to 1,047.98, 1,567.87 and 756.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047.98 : 1,567.87 = 756.05 : x
2. Step 2: Convert to fraction form
   1,047.98/1,567.87 = 756.05/x
3. Step 3: Cross multiply
   1,047.98x = 1,567.87 × 756.05
4. Step 4: Simplify right side
   1,047.98x = 1,185,378.38
5. Step 5: Solve for x
   x = 1,185,378.38/1,047.98
6. Step 6: Final answer
   x = 1,131.11