Finding the Fourth Proportional to 2,503.28, 3,756.24 and 1,407.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,503.28 : 3,756.24 = 1,407.71 : x
2. Step 2: Convert to fraction form
   2,503.28/3,756.24 = 1,407.71/x
3. Step 3: Cross multiply
   2,503.28x = 3,756.24 × 1,407.71
4. Step 4: Simplify right side
   2,503.28x = 5,287,706.00
5. Step 5: Solve for x
   x = 5,287,706.00/2,503.28
6. Step 6: Final answer
   x = 2,112.32