Finding the Fourth Proportional to 82,347.28, 113,641.32 and 50,533.72

Step by Step Solution

1. Step 1: Write the proportion equation
   82,347.28 : 113,641.32 = 50,533.72 : x
2. Step 2: Convert to fraction form
   82,347.28/113,641.32 = 50,533.72/x
3. Step 3: Cross multiply
   82,347.28x = 113,641.32 × 50,533.72
4. Step 4: Simplify right side
   82,347.28x = 5,742,718,645.31
5. Step 5: Solve for x
   x = 5,742,718,645.31/82,347.28
6. Step 6: Final answer
   x = 69,737.81