Finding the Fourth Proportional to 9,039.31, 12,474.30 and 5,264.67

Step by Step Solution

1. Step 1: Write the proportion equation
   9,039.31 : 12,474.30 = 5,264.67 : x
2. Step 2: Convert to fraction form
   9,039.31/12,474.30 = 5,264.67/x
3. Step 3: Cross multiply
   9,039.31x = 12,474.30 × 5,264.67
4. Step 4: Simplify right side
   9,039.31x = 65,673,072.98
5. Step 5: Solve for x
   x = 65,673,072.98/9,039.31
6. Step 6: Final answer
   x = 7,265.28