Finding the Fourth Proportional to 2,686.39, 4,031.17 and 1,453.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,686.39 : 4,031.17 = 1,453.77 : x
2. Step 2: Convert to fraction form
   2,686.39/4,031.17 = 1,453.77/x
3. Step 3: Cross multiply
   2,686.39x = 4,031.17 × 1,453.77
4. Step 4: Simplify right side
   2,686.39x = 5,860,390.38
5. Step 5: Solve for x
   x = 5,860,390.38/2,686.39
6. Step 6: Final answer
   x = 2,181.51