Finding the Fourth Proportional to 3,997.07, 5,519.43 and 2,507.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,997.07 : 5,519.43 = 2,507.54 : x
2. Step 2: Convert to fraction form
   3,997.07/5,519.43 = 2,507.54/x
3. Step 3: Cross multiply
   3,997.07x = 5,519.43 × 2,507.54
4. Step 4: Simplify right side
   3,997.07x = 13,840,191.50
5. Step 5: Solve for x
   x = 13,840,191.50/3,997.07
6. Step 6: Final answer
   x = 3,462.58