Finding the Fourth Proportional to 9,072.24, 13,608.42 and 2,499.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,072.24 : 13,608.42 = 2,499.12 : x
2. Step 2: Convert to fraction form
   9,072.24/13,608.42 = 2,499.12/x
3. Step 3: Cross multiply
   9,072.24x = 13,608.42 × 2,499.12
4. Step 4: Simplify right side
   9,072.24x = 34,009,074.59
5. Step 5: Solve for x
   x = 34,009,074.59/9,072.24
6. Step 6: Final answer
   x = 3,748.70