Finding the Fourth Proportional to 9,072.72, 13,609.40 and 2,498.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,072.72 : 13,609.40 = 2,498.88 : x
2. Step 2: Convert to fraction form
   9,072.72/13,609.40 = 2,498.88/x
3. Step 3: Cross multiply
   9,072.72x = 13,609.40 × 2,498.88
4. Step 4: Simplify right side
   9,072.72x = 34,008,257.47
5. Step 5: Solve for x
   x = 34,008,257.47/9,072.72
6. Step 6: Final answer
   x = 3,748.41