Finding the Fourth Proportional to 3,996.98, 5,519.29 and 2,507.45

Step by Step Solution

1. Step 1: Write the proportion equation
   3,996.98 : 5,519.29 = 2,507.45 : x
2. Step 2: Convert to fraction form
   3,996.98/5,519.29 = 2,507.45/x
3. Step 3: Cross multiply
   3,996.98x = 5,519.29 × 2,507.45
4. Step 4: Simplify right side
   3,996.98x = 13,839,343.71
5. Step 5: Solve for x
   x = 13,839,343.71/3,996.98
6. Step 6: Final answer
   x = 3,462.45