Finding the Fourth Proportional to 9,500.18, 13,109.60 and 5,251.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,500.18 : 13,109.60 = 5,251.28 : x
2. Step 2: Convert to fraction form
   9,500.18/13,109.60 = 5,251.28/x
3. Step 3: Cross multiply
   9,500.18x = 13,109.60 × 5,251.28
4. Step 4: Simplify right side
   9,500.18x = 68,842,180.29
5. Step 5: Solve for x
   x = 68,842,180.29/9,500.18
6. Step 6: Final answer
   x = 7,246.41