Finding the Fourth Proportional to 9,152.34, 12,628.08 and 5,375.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,152.34 : 12,628.08 = 5,375.28 : x
2. Step 2: Convert to fraction form
   9,152.34/12,628.08 = 5,375.28/x
3. Step 3: Cross multiply
   9,152.34x = 12,628.08 × 5,375.28
4. Step 4: Simplify right side
   9,152.34x = 67,879,465.86
5. Step 5: Solve for x
   x = 67,879,465.86/9,152.34
6. Step 6: Final answer
   x = 7,416.62