Finding the Fourth Proportional to 2,628,527.86, 3,943,224.41 and 806,847.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,628,527.86 : 3,943,224.41 = 806,847.07 : x
2. Step 2: Convert to fraction form
   2,628,527.86/3,943,224.41 = 806,847.07/x
3. Step 3: Cross multiply
   2,628,527.86x = 3,943,224.41 × 806,847.07
4. Step 4: Simplify right side
   2,628,527.86x = 3,181,579,061,560.98
5. Step 5: Solve for x
   x = 3,181,579,061,560.98/2,628,527.86
6. Step 6: Final answer
   x = 1,210,403.40