Finding the Fourth Proportional to 9,499.69, 13,109.16 and 5,250.53

Step by Step Solution

1. Step 1: Write the proportion equation
   9,499.69 : 13,109.16 = 5,250.53 : x
2. Step 2: Convert to fraction form
   9,499.69/13,109.16 = 5,250.53/x
3. Step 3: Cross multiply
   9,499.69x = 13,109.16 × 5,250.53
4. Step 4: Simplify right side
   9,499.69x = 68,830,037.85
5. Step 5: Solve for x
   x = 68,830,037.85/9,499.69
6. Step 6: Final answer
   x = 7,245.51