Finding the Fourth Proportional to 2,928,659.08, 4,039,466.34 and 2,687,719.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,928,659.08 : 4,039,466.34 = 2,687,719.72 : x
2. Step 2: Convert to fraction form
   2,928,659.08/4,039,466.34 = 2,687,719.72/x
3. Step 3: Cross multiply
   2,928,659.08x = 4,039,466.34 × 2,687,719.72
4. Step 4: Simplify right side
   2,928,659.08x = 10,856,953,340,294.22
5. Step 5: Solve for x
   x = 10,856,953,340,294.22/2,928,659.08
6. Step 6: Final answer
   x = 3,707,141.41