Finding the Fourth Proportional to 2,928,633.08, 4,039,430.46 and 2,687,693.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,928,633.08 : 4,039,430.46 = 2,687,693.72 : x
2. Step 2: Convert to fraction form
   2,928,633.08/4,039,430.46 = 2,687,693.72/x
3. Step 3: Cross multiply
   2,928,633.08x = 4,039,430.46 × 2,687,693.72
4. Step 4: Simplify right side
   2,928,633.08x = 10,856,751,879,718.71
5. Step 5: Solve for x
   x = 10,856,751,879,718.71/2,928,633.08
6. Step 6: Final answer
   x = 3,707,105.53