Finding the Fourth Proportional to 2,475.86, 3,714.78 and 1,490.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,475.86 : 3,714.78 = 1,490.54 : x
2. Step 2: Convert to fraction form
   2,475.86/3,714.78 = 1,490.54/x
3. Step 3: Cross multiply
   2,475.86x = 3,714.78 × 1,490.54
4. Step 4: Simplify right side
   2,475.86x = 5,537,028.18
5. Step 5: Solve for x
   x = 5,537,028.18/2,475.86
6. Step 6: Final answer
   x = 2,236.41