Finding the Fourth Proportional to 2,774.53, 4,162.52 and 1,387.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,774.53 : 4,162.52 = 1,387.81 : x
2. Step 2: Convert to fraction form
   2,774.53/4,162.52 = 1,387.81/x
3. Step 3: Cross multiply
   2,774.53x = 4,162.52 × 1,387.81
4. Step 4: Simplify right side
   2,774.53x = 5,776,786.88
5. Step 5: Solve for x
   x = 5,776,786.88/2,774.53
6. Step 6: Final answer
   x = 2,082.08