Finding the Fourth Proportional to 2,929,051.24, 4,040,003.46 and 2,688,111.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,929,051.24 : 4,040,003.46 = 2,688,111.88 : x
2. Step 2: Convert to fraction form
   2,929,051.24/4,040,003.46 = 2,688,111.88/x
3. Step 3: Cross multiply
   2,929,051.24x = 4,040,003.46 × 2,688,111.88
4. Step 4: Simplify right side
   2,929,051.24x = 10,859,981,296,067.10
5. Step 5: Solve for x
   x = 10,859,981,296,067.10/2,929,051.24
6. Step 6: Final answer
   x = 3,707,678.84