Finding the Fourth Proportional to 1,119.98, 1,680.69 and 504.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,119.98 : 1,680.69 = 504.02 : x
2. Step 2: Convert to fraction form
   1,119.98/1,680.69 = 504.02/x
3. Step 3: Cross multiply
   1,119.98x = 1,680.69 × 504.02
4. Step 4: Simplify right side
   1,119.98x = 847,101.37
5. Step 5: Solve for x
   x = 847,101.37/1,119.98
6. Step 6: Final answer
   x = 756.35