Finding the Fourth Proportional to 146,899, 202,720.62 and 79,831

Step by Step Solution

1. Step 1: Write the proportion equation
   146,899 : 202,720.62 = 79,831 : x
2. Step 2: Convert to fraction form
   146,899/202,720.62 = 79,831/x
3. Step 3: Cross multiply
   146,899x = 202,720.62 × 79,831
4. Step 4: Simplify right side
   146,899x = 16,183,389,815.22
5. Step 5: Solve for x
   x = 16,183,389,815.22/146,899
6. Step 6: Final answer
   x = 110,166.78