Finding the Fourth Proportional to 141,338.10, 195,046.72 and 77,674.52

Step by Step Solution

1. Step 1: Write the proportion equation
   141,338.10 : 195,046.72 = 77,674.52 : x
2. Step 2: Convert to fraction form
   141,338.10/195,046.72 = 77,674.52/x
3. Step 3: Cross multiply
   141,338.10x = 195,046.72 × 77,674.52
4. Step 4: Simplify right side
   141,338.10x = 15,150,160,353.57
5. Step 5: Solve for x
   x = 15,150,160,353.57/141,338.10
6. Step 6: Final answer
   x = 107,190.92