Finding the Fourth Proportional to 78,650.38, 108,574.86 and 50,372.74

Step by Step Solution

1. Step 1: Write the proportion equation
   78,650.38 : 108,574.86 = 50,372.74 : x
2. Step 2: Convert to fraction form
   78,650.38/108,574.86 = 50,372.74/x
3. Step 3: Cross multiply
   78,650.38x = 108,574.86 × 50,372.74
4. Step 4: Simplify right side
   78,650.38x = 5,469,213,193.32
5. Step 5: Solve for x
   x = 5,469,213,193.32/78,650.38
6. Step 6: Final answer
   x = 69,538.29