Finding the Fourth Proportional to 9,072.87, 13,607.24 and 2,499.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,072.87 : 13,607.24 = 2,499.63 : x
2. Step 2: Convert to fraction form
   9,072.87/13,607.24 = 2,499.63/x
3. Step 3: Cross multiply
   9,072.87x = 13,607.24 × 2,499.63
4. Step 4: Simplify right side
   9,072.87x = 34,013,052.82
5. Step 5: Solve for x
   x = 34,013,052.82/9,072.87
6. Step 6: Final answer
   x = 3,748.87