Finding the Fourth Proportional to 9,748.37, 13,452.71 and 5,272.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,748.37 : 13,452.71 = 5,272.12 : x
2. Step 2: Convert to fraction form
   9,748.37/13,452.71 = 5,272.12/x
3. Step 3: Cross multiply
   9,748.37x = 13,452.71 × 5,272.12
4. Step 4: Simplify right side
   9,748.37x = 70,924,241.45
5. Step 5: Solve for x
   x = 70,924,241.45/9,748.37
6. Step 6: Final answer
   x = 7,275.50