Finding the Fourth Proportional to 980.72, 1,464.32 and 798.46

Step by Step Solution

1. Step 1: Write the proportion equation
   980.72 : 1,464.32 = 798.46 : x
2. Step 2: Convert to fraction form
   980.72/1,464.32 = 798.46/x
3. Step 3: Cross multiply
   980.72x = 1,464.32 × 798.46
4. Step 4: Simplify right side
   980.72x = 1,169,196.95
5. Step 5: Solve for x
   x = 1,169,196.95/980.72
6. Step 6: Final answer
   x = 1,192.18