Finding the Fourth Proportional to 146,898.72, 202,720.32 and 79,830.72

Step by Step Solution

1. Step 1: Write the proportion equation
   146,898.72 : 202,720.32 = 79,830.72 : x
2. Step 2: Convert to fraction form
   146,898.72/202,720.32 = 79,830.72/x
3. Step 3: Cross multiply
   146,898.72x = 202,720.32 × 79,830.72
4. Step 4: Simplify right side
   146,898.72x = 16,183,309,104.23
5. Step 5: Solve for x
   x = 16,183,309,104.23/146,898.72
6. Step 6: Final answer
   x = 110,166.44