Finding the Fourth Proportional to 76,945.09, 106,100.52 and 50,037.70

Step by Step Solution

1. Step 1: Write the proportion equation
   76,945.09 : 106,100.52 = 50,037.70 : x
2. Step 2: Convert to fraction form
   76,945.09/106,100.52 = 50,037.70/x
3. Step 3: Cross multiply
   76,945.09x = 106,100.52 × 50,037.70
4. Step 4: Simplify right side
   76,945.09x = 5,309,025,989.60
5. Step 5: Solve for x
   x = 5,309,025,989.60/76,945.09
6. Step 6: Final answer
   x = 68,997.59