Finding the Fourth Proportional to 2,761.52, 4,142.72 and 1,029.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,761.52 : 4,142.72 = 1,029.76 : x
2. Step 2: Convert to fraction form
   2,761.52/4,142.72 = 1,029.76/x
3. Step 3: Cross multiply
   2,761.52x = 4,142.72 × 1,029.76
4. Step 4: Simplify right side
   2,761.52x = 4,266,007.35
5. Step 5: Solve for x
   x = 4,266,007.35/2,761.52
6. Step 6: Final answer
   x = 1,544.80