Finding the Fourth Proportional to 3,114.72, 4,298.28 and 1,698.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,114.72 : 4,298.28 = 1,698.48 : x
2. Step 2: Convert to fraction form
   3,114.72/4,298.28 = 1,698.48/x
3. Step 3: Cross multiply
   3,114.72x = 4,298.28 × 1,698.48
4. Step 4: Simplify right side
   3,114.72x = 7,300,542.61
5. Step 5: Solve for x
   x = 7,300,542.61/3,114.72
6. Step 6: Final answer
   x = 2,343.88