Finding the Fourth Proportional to 1,443.77, 1,992.35 and 1,052.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443.77 : 1,992.35 = 1,052.45 : x
2. Step 2: Convert to fraction form
   1,443.77/1,992.35 = 1,052.45/x
3. Step 3: Cross multiply
   1,443.77x = 1,992.35 × 1,052.45
4. Step 4: Simplify right side
   1,443.77x = 2,096,833.53
5. Step 5: Solve for x
   x = 2,096,833.53/1,443.77
6. Step 6: Final answer
   x = 1,452.34