Finding the Fourth Proportional to 1,525.66, 2,106.81 and 1,443.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,525.66 : 2,106.81 = 1,443.82 : x
2. Step 2: Convert to fraction form
   1,525.66/2,106.81 = 1,443.82/x
3. Step 3: Cross multiply
   1,525.66x = 2,106.81 × 1,443.82
4. Step 4: Simplify right side
   1,525.66x = 3,041,854.41
5. Step 5: Solve for x
   x = 3,041,854.41/1,525.66
6. Step 6: Final answer
   x = 1,993.80