Finding the Fourth Proportional to 2,165,872.29, 2,987,965.52 and 1,305,954.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,165,872.29 : 2,987,965.52 = 1,305,954.83 : x
2. Step 2: Convert to fraction form
   2,165,872.29/2,987,965.52 = 1,305,954.83/x
3. Step 3: Cross multiply
   2,165,872.29x = 2,987,965.52 × 1,305,954.83
4. Step 4: Simplify right side
   2,165,872.29x = 3,902,147,981,247.86
5. Step 5: Solve for x
   x = 3,902,147,981,247.86/2,165,872.29
6. Step 6: Final answer
   x = 1,801,651.93