Finding the Fourth Proportional to 9,748.68, 13,453.18 and 5,272.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,748.68 : 13,453.18 = 5,272.43 : x
2. Step 2: Convert to fraction form
   9,748.68/13,453.18 = 5,272.43/x
3. Step 3: Cross multiply
   9,748.68x = 13,453.18 × 5,272.43
4. Step 4: Simplify right side
   9,748.68x = 70,930,983.46
5. Step 5: Solve for x
   x = 70,930,983.46/9,748.68
6. Step 6: Final answer
   x = 7,275.96