Finding the Fourth Proportional to 56,955.42, 78,635.43 and 50,976.72

Step by Step Solution

1. Step 1: Write the proportion equation
   56,955.42 : 78,635.43 = 50,976.72 : x
2. Step 2: Convert to fraction form
   56,955.42/78,635.43 = 50,976.72/x
3. Step 3: Cross multiply
   56,955.42x = 78,635.43 × 50,976.72
4. Step 4: Simplify right side
   56,955.42x = 4,008,576,297.19
5. Step 5: Solve for x
   x = 4,008,576,297.19/56,955.42
6. Step 6: Final answer
   x = 70,380.95