Finding the Fourth Proportional to 1,927.72, 2,660.24 and 1,043.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,927.72 : 2,660.24 = 1,043.52 : x
2. Step 2: Convert to fraction form
   1,927.72/2,660.24 = 1,043.52/x
3. Step 3: Cross multiply
   1,927.72x = 2,660.24 × 1,043.52
4. Step 4: Simplify right side
   1,927.72x = 2,776,013.64
5. Step 5: Solve for x
   x = 2,776,013.64/1,927.72
6. Step 6: Final answer
   x = 1,440.05