Finding the Fourth Proportional to 1,825.32, 2,520.14 and 1,404.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,825.32 : 2,520.14 = 1,404.90 : x
2. Step 2: Convert to fraction form
   1,825.32/2,520.14 = 1,404.90/x
3. Step 3: Cross multiply
   1,825.32x = 2,520.14 × 1,404.90
4. Step 4: Simplify right side
   1,825.32x = 3,540,544.69
5. Step 5: Solve for x
   x = 3,540,544.69/1,825.32
6. Step 6: Final answer
   x = 1,939.68