Finding the Fourth Proportional to 2,682.78, 3,702.23 and 1,503.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,682.78 : 3,702.23 = 1,503.86 : x
2. Step 2: Convert to fraction form
   2,682.78/3,702.23 = 1,503.86/x
3. Step 3: Cross multiply
   2,682.78x = 3,702.23 × 1,503.86
4. Step 4: Simplify right side
   2,682.78x = 5,567,635.61
5. Step 5: Solve for x
   x = 5,567,635.61/2,682.78
6. Step 6: Final answer
   x = 2,075.32