Finding the Fourth Proportional to 2,504.09, 3,756.18 and 1,407.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,504.09 : 3,756.18 = 1,407.57 : x
2. Step 2: Convert to fraction form
   2,504.09/3,756.18 = 1,407.57/x
3. Step 3: Cross multiply
   2,504.09x = 3,756.18 × 1,407.57
4. Step 4: Simplify right side
   2,504.09x = 5,287,086.28
5. Step 5: Solve for x
   x = 5,287,086.28/2,504.09
6. Step 6: Final answer
   x = 2,111.38