Finding the Fourth Proportional to 10,065,664.27, 13,890,776.49 and 5,714,661.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,065,664.27 : 13,890,776.49 = 5,714,661.79 : x
2. Step 2: Convert to fraction form
   10,065,664.27/13,890,776.49 = 5,714,661.79/x
3. Step 3: Cross multiply
   10,065,664.27x = 13,890,776.49 × 5,714,661.79
4. Step 4: Simplify right side
   10,065,664.27x = 79,381,089,542,806.12
5. Step 5: Solve for x
   x = 79,381,089,542,806.12/10,065,664.27
6. Step 6: Final answer
   x = 7,886,323.99