Finding the Fourth Proportional to 9,522.47, 13,140.68 and 5,273.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,522.47 : 13,140.68 = 5,273.72 : x
2. Step 2: Convert to fraction form
   9,522.47/13,140.68 = 5,273.72/x
3. Step 3: Cross multiply
   9,522.47x = 13,140.68 × 5,273.72
4. Step 4: Simplify right side
   9,522.47x = 69,300,174.86
5. Step 5: Solve for x
   x = 69,300,174.86/9,522.47
6. Step 6: Final answer
   x = 7,277.54