Finding the Fourth Proportional to 2,179.02, 3,268.25 and 698.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,179.02 : 3,268.25 = 698.12 : x
2. Step 2: Convert to fraction form
   2,179.02/3,268.25 = 698.12/x
3. Step 3: Cross multiply
   2,179.02x = 3,268.25 × 698.12
4. Step 4: Simplify right side
   2,179.02x = 2,281,610.86
5. Step 5: Solve for x
   x = 2,281,610.86/2,179.02
6. Step 6: Final answer
   x = 1,047.08