Finding the Fourth Proportional to 82,438.96, 113,767.32 and 50,591.92

Step by Step Solution

1. Step 1: Write the proportion equation
   82,438.96 : 113,767.32 = 50,591.92 : x
2. Step 2: Convert to fraction form
   82,438.96/113,767.32 = 50,591.92/x
3. Step 3: Cross multiply
   82,438.96x = 113,767.32 × 50,591.92
4. Step 4: Simplify right side
   82,438.96x = 5,755,707,152.05
5. Step 5: Solve for x
   x = 5,755,707,152.05/82,438.96
6. Step 6: Final answer
   x = 69,817.80