Finding the Fourth Proportional to 82,250.28, 113,507.46 and 50,436.72

Step by Step Solution

1. Step 1: Write the proportion equation
   82,250.28 : 113,507.46 = 50,436.72 : x
2. Step 2: Convert to fraction form
   82,250.28/113,507.46 = 50,436.72/x
3. Step 3: Cross multiply
   82,250.28x = 113,507.46 × 50,436.72
4. Step 4: Simplify right side
   82,250.28x = 5,724,943,977.93
5. Step 5: Solve for x
   x = 5,724,943,977.93/82,250.28
6. Step 6: Final answer
   x = 69,603.95