Finding the Fourth Proportional to 2,505.68, 3,757.56 and 1,478.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,505.68 : 3,757.56 = 1,478.48 : x
2. Step 2: Convert to fraction form
   2,505.68/3,757.56 = 1,478.48/x
3. Step 3: Cross multiply
   2,505.68x = 3,757.56 × 1,478.48
4. Step 4: Simplify right side
   2,505.68x = 5,555,477.31
5. Step 5: Solve for x
   x = 5,555,477.31/2,505.68
6. Step 6: Final answer
   x = 2,217.15