Finding the Fourth Proportional to 82,405.50, 113,675.85 and 50,149.86

Step by Step Solution

1. Step 1: Write the proportion equation
   82,405.50 : 113,675.85 = 50,149.86 : x
2. Step 2: Convert to fraction form
   82,405.50/113,675.85 = 50,149.86/x
3. Step 3: Cross multiply
   82,405.50x = 113,675.85 × 50,149.86
4. Step 4: Simplify right side
   82,405.50x = 5,700,827,962.88
5. Step 5: Solve for x
   x = 5,700,827,962.88/82,405.50
6. Step 6: Final answer
   x = 69,180.19