Finding the Fourth Proportional to 2,685,268.10, 4,030,105.35 and 2,664,272.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,685,268.10 : 4,030,105.35 = 2,664,272.90 : x
2. Step 2: Convert to fraction form
   2,685,268.10/4,030,105.35 = 2,664,272.90/x
3. Step 3: Cross multiply
   2,685,268.10x = 4,030,105.35 × 2,664,272.90
4. Step 4: Simplify right side
   2,685,268.10x = 10,737,300,468,150.02
5. Step 5: Solve for x
   x = 10,737,300,468,150.02/2,685,268.10
6. Step 6: Final answer
   x = 3,998,595.32