Finding the Fourth Proportional to 76,923.60, 106,118.16 and 50,056.31

Step by Step Solution

1. Step 1: Write the proportion equation
   76,923.60 : 106,118.16 = 50,056.31 : x
2. Step 2: Convert to fraction form
   76,923.60/106,118.16 = 50,056.31/x
3. Step 3: Cross multiply
   76,923.60x = 106,118.16 × 50,056.31
4. Step 4: Simplify right side
   76,923.60x = 5,311,883,513.59
5. Step 5: Solve for x
   x = 5,311,883,513.59/76,923.60
6. Step 6: Final answer
   x = 69,054.02