Finding the Fourth Proportional to 2,131,162.38, 3,194,510.78 and 992,986.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131,162.38 : 3,194,510.78 = 992,986.07 : x
2. Step 2: Convert to fraction form
   2,131,162.38/3,194,510.78 = 992,986.07/x
3. Step 3: Cross multiply
   2,131,162.38x = 3,194,510.78 × 992,986.07
4. Step 4: Simplify right side
   2,131,162.38x = 3,172,104,684,067.35
5. Step 5: Solve for x
   x = 3,172,104,684,067.35/2,131,162.38
6. Step 6: Final answer
   x = 1,488,438.76