Finding the Fourth Proportional to 82,619.55, 113,977.80 and 50,776.83

Step by Step Solution

1. Step 1: Write the proportion equation
   82,619.55 : 113,977.80 = 50,776.83 : x
2. Step 2: Convert to fraction form
   82,619.55/113,977.80 = 50,776.83/x
3. Step 3: Cross multiply
   82,619.55x = 113,977.80 × 50,776.83
4. Step 4: Simplify right side
   82,619.55x = 5,787,431,374.37
5. Step 5: Solve for x
   x = 5,787,431,374.37/82,619.55
6. Step 6: Final answer
   x = 70,049.18