Finding the Fourth Proportional to 9,951.53, 14,809.83 and 9,619.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,951.53 : 14,809.83 = 9,619.38 : x
2. Step 2: Convert to fraction form
   9,951.53/14,809.83 = 9,619.38/x
3. Step 3: Cross multiply
   9,951.53x = 14,809.83 × 9,619.38
4. Step 4: Simplify right side
   9,951.53x = 142,461,465.87
5. Step 5: Solve for x
   x = 142,461,465.87/9,951.53
6. Step 6: Final answer
   x = 14,315.53