Finding the Fourth Proportional to 2,639,643.69, 3,642,708.29 and 1,432,419.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,639,643.69 : 3,642,708.29 = 1,432,419.69 : x
2. Step 2: Convert to fraction form
   2,639,643.69/3,642,708.29 = 1,432,419.69/x
3. Step 3: Cross multiply
   2,639,643.69x = 3,642,708.29 × 1,432,419.69
4. Step 4: Simplify right side
   2,639,643.69x = 5,217,887,079,522.23
5. Step 5: Solve for x
   x = 5,217,887,079,522.23/2,639,643.69
6. Step 6: Final answer
   x = 1,976,739.17