Finding the Fourth Proportional to 2,477.57, 3,717.03 and 1,382.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,477.57 : 3,717.03 = 1,382.72 : x
2. Step 2: Convert to fraction form
   2,477.57/3,717.03 = 1,382.72/x
3. Step 3: Cross multiply
   2,477.57x = 3,717.03 × 1,382.72
4. Step 4: Simplify right side
   2,477.57x = 5,139,611.72
5. Step 5: Solve for x
   x = 5,139,611.72/2,477.57
6. Step 6: Final answer
   x = 2,074.46