Finding the Fourth Proportional to 9,499.53, 13,109.28 and 5,250.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,499.53 : 13,109.28 = 5,250.89 : x
2. Step 2: Convert to fraction form
   9,499.53/13,109.28 = 5,250.89/x
3. Step 3: Cross multiply
   9,499.53x = 13,109.28 × 5,250.89
4. Step 4: Simplify right side
   9,499.53x = 68,835,321.71
5. Step 5: Solve for x
   x = 68,835,321.71/9,499.53
6. Step 6: Final answer
   x = 7,246.18