Finding the Fourth Proportional to 2,500.48, 3,747.07 and 1,405.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,500.48 : 3,747.07 = 1,405.16 : x
2. Step 2: Convert to fraction form
   2,500.48/3,747.07 = 1,405.16/x
3. Step 3: Cross multiply
   2,500.48x = 3,747.07 × 1,405.16
4. Step 4: Simplify right side
   2,500.48x = 5,265,229.95
5. Step 5: Solve for x
   x = 5,265,229.95/2,500.48
6. Step 6: Final answer
   x = 2,105.69