Finding the Fourth Proportional to 2,684,006.56, 3,997,582.78 and 2,670,928.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,684,006.56 : 3,997,582.78 = 2,670,928.10 : x
2. Step 2: Convert to fraction form
   2,684,006.56/3,997,582.78 = 2,670,928.10/x
3. Step 3: Cross multiply
   2,684,006.56x = 3,997,582.78 × 2,670,928.10
4. Step 4: Simplify right side
   2,684,006.56x = 10,677,256,152,512.88
5. Step 5: Solve for x
   x = 10,677,256,152,512.88/2,684,006.56
6. Step 6: Final answer
   x = 3,978,103.60