Finding the Fourth Proportional to 1,698.30, 2,550.27 and 1,146.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,698.30 : 2,550.27 = 1,146.56 : x
2. Step 2: Convert to fraction form
   1,698.30/2,550.27 = 1,146.56/x
3. Step 3: Cross multiply
   1,698.30x = 2,550.27 × 1,146.56
4. Step 4: Simplify right side
   1,698.30x = 2,924,037.57
5. Step 5: Solve for x
   x = 2,924,037.57/1,698.30
6. Step 6: Final answer
   x = 1,721.75