Finding the Fourth Proportional to 2,762.16, 3,811.82 and 1,503.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,762.16 : 3,811.82 = 1,503.20 : x
2. Step 2: Convert to fraction form
   2,762.16/3,811.82 = 1,503.20/x
3. Step 3: Cross multiply
   2,762.16x = 3,811.82 × 1,503.20
4. Step 4: Simplify right side
   2,762.16x = 5,729,927.82
5. Step 5: Solve for x
   x = 5,729,927.82/2,762.16
6. Step 6: Final answer
   x = 2,074.44