Finding the Fourth Proportional to 1,698.51, 2,343.15 and 1,108.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,698.51 : 2,343.15 = 1,108.83 : x
2. Step 2: Convert to fraction form
   1,698.51/2,343.15 = 1,108.83/x
3. Step 3: Cross multiply
   1,698.51x = 2,343.15 × 1,108.83
4. Step 4: Simplify right side
   1,698.51x = 2,598,155.01
5. Step 5: Solve for x
   x = 2,598,155.01/1,698.51
6. Step 6: Final answer
   x = 1,529.67