Finding the Fourth Proportional to 147,870, 204,060.72 and 80,802

Step by Step Solution

1. Step 1: Write the proportion equation
   147,870 : 204,060.72 = 80,802 : x
2. Step 2: Convert to fraction form
   147,870/204,060.72 = 80,802/x
3. Step 3: Cross multiply
   147,870x = 204,060.72 × 80,802
4. Step 4: Simplify right side
   147,870x = 16,488,514,297.44
5. Step 5: Solve for x
   x = 16,488,514,297.44/147,870
6. Step 6: Final answer
   x = 111,506.83