Finding the Fourth Proportional to 146,928.72, 202,761.60 and 79,860.72

Step by Step Solution

1. Step 1: Write the proportion equation
   146,928.72 : 202,761.60 = 79,860.72 : x
2. Step 2: Convert to fraction form
   146,928.72/202,761.60 = 79,860.72/x
3. Step 3: Cross multiply
   146,928.72x = 202,761.60 × 79,860.72
4. Step 4: Simplify right side
   146,928.72x = 16,192,687,364.35
5. Step 5: Solve for x
   x = 16,192,687,364.35/146,928.72
6. Step 6: Final answer
   x = 110,207.78