Finding the Fourth Proportional to 2,702.72, 4,054.63 and 1,142.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,702.72 : 4,054.63 = 1,142.73 : x
2. Step 2: Convert to fraction form
   2,702.72/4,054.63 = 1,142.73/x
3. Step 3: Cross multiply
   2,702.72x = 4,054.63 × 1,142.73
4. Step 4: Simplify right side
   2,702.72x = 4,633,347.34
5. Step 5: Solve for x
   x = 4,633,347.34/2,702.72
6. Step 6: Final answer
   x = 1,714.33