Finding the Fourth Proportional to 2,682.72, 3,702.38 and 1,503.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,682.72 : 3,702.38 = 1,503.90 : x
2. Step 2: Convert to fraction form
   2,682.72/3,702.38 = 1,503.90/x
3. Step 3: Cross multiply
   2,682.72x = 3,702.38 × 1,503.90
4. Step 4: Simplify right side
   2,682.72x = 5,568,009.28
5. Step 5: Solve for x
   x = 5,568,009.28/2,682.72
6. Step 6: Final answer
   x = 2,075.51