Finding the Fourth Proportional to 1,019.52, 1,518.90 and 984.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,019.52 : 1,518.90 = 984.72 : x
2. Step 2: Convert to fraction form
   1,019.52/1,518.90 = 984.72/x
3. Step 3: Cross multiply
   1,019.52x = 1,518.90 × 984.72
4. Step 4: Simplify right side
   1,019.52x = 1,495,691.21
5. Step 5: Solve for x
   x = 1,495,691.21/1,019.52
6. Step 6: Final answer
   x = 1,467.05