Finding the Fourth Proportional to 2,639,738.50, 3,642,839.13 and 1,432,514.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,639,738.50 : 3,642,839.13 = 1,432,514.50 : x
2. Step 2: Convert to fraction form
   2,639,738.50/3,642,839.13 = 1,432,514.50/x
3. Step 3: Cross multiply
   2,639,738.50x = 3,642,839.13 × 1,432,514.50
4. Step 4: Simplify right side
   2,639,738.50x = 5,218,419,874,892.39
5. Step 5: Solve for x
   x = 5,218,419,874,892.39/2,639,738.50
6. Step 6: Final answer
   x = 1,976,870.01