Finding the Fourth Proportional to 9,357.02, 12,912.24 and 5,375.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,357.02 : 12,912.24 = 5,375.32 : x
2. Step 2: Convert to fraction form
   9,357.02/12,912.24 = 5,375.32/x
3. Step 3: Cross multiply
   9,357.02x = 12,912.24 × 5,375.32
4. Step 4: Simplify right side
   9,357.02x = 69,407,421.92
5. Step 5: Solve for x
   x = 69,407,421.92/9,357.02
6. Step 6: Final answer
   x = 7,417.68