Finding the Fourth Proportional to 2,639,627.05, 3,642,685.32 and 1,432,403.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,639,627.05 : 3,642,685.32 = 1,432,403.05 : x
2. Step 2: Convert to fraction form
   2,639,627.05/3,642,685.32 = 1,432,403.05/x
3. Step 3: Cross multiply
   2,639,627.05x = 3,642,685.32 × 1,432,403.05
4. Step 4: Simplify right side
   2,639,627.05x = 5,217,793,562,558.23
5. Step 5: Solve for x
   x = 5,217,793,562,558.23/2,639,627.05
6. Step 6: Final answer
   x = 1,976,716.20