Finding the Fourth Proportional to 33,619.10, 50,428.61 and 10,245.53

Step by Step Solution

1. Step 1: Write the proportion equation
   33,619.10 : 50,428.61 = 10,245.53 : x
2. Step 2: Convert to fraction form
   33,619.10/50,428.61 = 10,245.53/x
3. Step 3: Cross multiply
   33,619.10x = 50,428.61 × 10,245.53
4. Step 4: Simplify right side
   33,619.10x = 516,667,949.88
5. Step 5: Solve for x
   x = 516,667,949.88/33,619.10
6. Step 6: Final answer
   x = 15,368.29