Finding the Fourth Proportional to 2,507.45, 3,759.27 and 1,520.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,507.45 : 3,759.27 = 1,520.06 : x
2. Step 2: Convert to fraction form
   2,507.45/3,759.27 = 1,520.06/x
3. Step 3: Cross multiply
   2,507.45x = 3,759.27 × 1,520.06
4. Step 4: Simplify right side
   2,507.45x = 5,714,315.96
5. Step 5: Solve for x
   x = 5,714,315.96/2,507.45
6. Step 6: Final answer
   x = 2,278.94