Finding the Fourth Proportional to 78,796.40, 118,096.18 and 50,641.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,796.40 : 118,096.18 = 50,641.50 : x
2. Step 2: Convert to fraction form
   78,796.40/118,096.18 = 50,641.50/x
3. Step 3: Cross multiply
   78,796.40x = 118,096.18 × 50,641.50
4. Step 4: Simplify right side
   78,796.40x = 5,980,568,015.73
5. Step 5: Solve for x
   x = 5,980,568,015.73/78,796.40
6. Step 6: Final answer
   x = 75,899.01