Finding the Fourth Proportional to 9,445.28, 13,034.72 and 5,196.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,445.28 : 13,034.72 = 5,196.50 : x
2. Step 2: Convert to fraction form
   9,445.28/13,034.72 = 5,196.50/x
3. Step 3: Cross multiply
   9,445.28x = 13,034.72 × 5,196.50
4. Step 4: Simplify right side
   9,445.28x = 67,734,922.48
5. Step 5: Solve for x
   x = 67,734,922.48/9,445.28
6. Step 6: Final answer
   x = 7,171.30