Finding the Fourth Proportional to 2,475.05, 3,713.94 and 1,380.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,475.05 : 3,713.94 = 1,380.03 : x
2. Step 2: Convert to fraction form
   2,475.05/3,713.94 = 1,380.03/x
3. Step 3: Cross multiply
   2,475.05x = 3,713.94 × 1,380.03
4. Step 4: Simplify right side
   2,475.05x = 5,125,348.62
5. Step 5: Solve for x
   x = 5,125,348.62/2,475.05
6. Step 6: Final answer
   x = 2,070.81