Finding the Fourth Proportional to 9,528.22, 13,148.43 and 5,279.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,528.22 : 13,148.43 = 5,279.02 : x
2. Step 2: Convert to fraction form
   9,528.22/13,148.43 = 5,279.02/x
3. Step 3: Cross multiply
   9,528.22x = 13,148.43 × 5,279.02
4. Step 4: Simplify right side
   9,528.22x = 69,410,846.23
5. Step 5: Solve for x
   x = 69,410,846.23/9,528.22
6. Step 6: Final answer
   x = 7,284.77