Finding the Fourth Proportional to 146,799.72, 202,582.50 and 79,732.20

Step by Step Solution

1. Step 1: Write the proportion equation
   146,799.72 : 202,582.50 = 79,732.20 : x
2. Step 2: Convert to fraction form
   146,799.72/202,582.50 = 79,732.20/x
3. Step 3: Cross multiply
   146,799.72x = 202,582.50 × 79,732.20
4. Step 4: Simplify right side
   146,799.72x = 16,152,348,406.50
5. Step 5: Solve for x
   x = 16,152,348,406.50/146,799.72
6. Step 6: Final answer
   x = 110,029.83