Finding the Fourth Proportional to 2,499.17, 3,745.11 and 1,405.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.17 : 3,745.11 = 1,405.67 : x
2. Step 2: Convert to fraction form
   2,499.17/3,745.11 = 1,405.67/x
3. Step 3: Cross multiply
   2,499.17x = 3,745.11 × 1,405.67
4. Step 4: Simplify right side
   2,499.17x = 5,264,372.38
5. Step 5: Solve for x
   x = 5,264,372.38/2,499.17
6. Step 6: Final answer
   x = 2,106.45