Finding the Fourth Proportional to 2,476, 3,710.75 and 1,380.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,476 : 3,710.75 = 1,380.88 : x
2. Step 2: Convert to fraction form
   2,476/3,710.75 = 1,380.88/x
3. Step 3: Cross multiply
   2,476x = 3,710.75 × 1,380.88
4. Step 4: Simplify right side
   2,476x = 5,124,100.46
5. Step 5: Solve for x
   x = 5,124,100.46/2,476
6. Step 6: Final answer
   x = 2,069.51