Finding the Fourth Proportional to 2,520.44, 3,477.40 and 1,525.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.44 : 3,477.40 = 1,525.40 : x
2. Step 2: Convert to fraction form
   2,520.44/3,477.40 = 1,525.40/x
3. Step 3: Cross multiply
   2,520.44x = 3,477.40 × 1,525.40
4. Step 4: Simplify right side
   2,520.44x = 5,304,404.76
5. Step 5: Solve for x
   x = 5,304,404.76/2,520.44
6. Step 6: Final answer
   x = 2,104.56