Finding the Fourth Proportional to 2,105,957.94, 3,158,934.48 and 686,011.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,957.94 : 3,158,934.48 = 686,011.74 : x
2. Step 2: Convert to fraction form
   2,105,957.94/3,158,934.48 = 686,011.74/x
3. Step 3: Cross multiply
   2,105,957.94x = 3,158,934.48 × 686,011.74
4. Step 4: Simplify right side
   2,105,957.94x = 2,167,066,139,170.80
5. Step 5: Solve for x
   x = 2,167,066,139,170.80/2,105,957.94
6. Step 6: Final answer
   x = 1,029,016.82