Finding the Fourth Proportional to 1,524.90, 2,105.39 and 957.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,524.90 : 2,105.39 = 957.98 : x
2. Step 2: Convert to fraction form
   1,524.90/2,105.39 = 957.98/x
3. Step 3: Cross multiply
   1,524.90x = 2,105.39 × 957.98
4. Step 4: Simplify right side
   1,524.90x = 2,016,921.51
5. Step 5: Solve for x
   x = 2,016,921.51/1,524.90
6. Step 6: Final answer
   x = 1,322.66