Finding the Fourth Proportional to 146,856, 202,661.82 and 79,788

Step by Step Solution

1. Step 1: Write the proportion equation
   146,856 : 202,661.82 = 79,788 : x
2. Step 2: Convert to fraction form
   146,856/202,661.82 = 79,788/x
3. Step 3: Cross multiply
   146,856x = 202,661.82 × 79,788
4. Step 4: Simplify right side
   146,856x = 16,169,981,294.16
5. Step 5: Solve for x
   x = 16,169,981,294.16/146,856
6. Step 6: Final answer
   x = 110,107.73