Finding the Fourth Proportional to 82,074.87, 113,187.78 and 51,807.87

Step by Step Solution

1. Step 1: Write the proportion equation
   82,074.87 : 113,187.78 = 51,807.87 : x
2. Step 2: Convert to fraction form
   82,074.87/113,187.78 = 51,807.87/x
3. Step 3: Cross multiply
   82,074.87x = 113,187.78 × 51,807.87
4. Step 4: Simplify right side
   82,074.87x = 5,864,017,791.83
5. Step 5: Solve for x
   x = 5,864,017,791.83/82,074.87
6. Step 6: Final answer
   x = 71,447.18