Finding the Fourth Proportional to 2,711,991.28, 4,044,026.15 and 2,687,650

Step by Step Solution

1. Step 1: Write the proportion equation
   2,711,991.28 : 4,044,026.15 = 2,687,650 : x
2. Step 2: Convert to fraction form
   2,711,991.28/4,044,026.15 = 2,687,650/x
3. Step 3: Cross multiply
   2,711,991.28x = 4,044,026.15 × 2,687,650
4. Step 4: Simplify right side
   2,711,991.28x = 10,868,926,882,047.50
5. Step 5: Solve for x
   x = 10,868,926,882,047.50/2,711,991.28
6. Step 6: Final answer
   x = 4,007,729.29