Finding the Fourth Proportional to 9,072.62, 13,606.86 and 2,499.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,072.62 : 13,606.86 = 2,499.38 : x
2. Step 2: Convert to fraction form
   9,072.62/13,606.86 = 2,499.38/x
3. Step 3: Cross multiply
   9,072.62x = 13,606.86 × 2,499.38
4. Step 4: Simplify right side
   9,072.62x = 34,008,713.75
5. Step 5: Solve for x
   x = 34,008,713.75/9,072.62
6. Step 6: Final answer
   x = 3,748.50