Finding the Fourth Proportional to 1,524.51, 2,105.10 and 1,028.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,524.51 : 2,105.10 = 1,028.79 : x
2. Step 2: Convert to fraction form
   1,524.51/2,105.10 = 1,028.79/x
3. Step 3: Cross multiply
   1,524.51x = 2,105.10 × 1,028.79
4. Step 4: Simplify right side
   1,524.51x = 2,165,705.83
5. Step 5: Solve for x
   x = 2,165,705.83/1,524.51
6. Step 6: Final answer
   x = 1,420.59