Finding the Fourth Proportional to 3,786,226.05, 5,681,112.59 and 1,866,090.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,786,226.05 : 5,681,112.59 = 1,866,090.52 : x
2. Step 2: Convert to fraction form
   3,786,226.05/5,681,112.59 = 1,866,090.52/x
3. Step 3: Cross multiply
   3,786,226.05x = 5,681,112.59 × 1,866,090.52
4. Step 4: Simplify right side
   3,786,226.05x = 10,601,470,352,020.42
5. Step 5: Solve for x
   x = 10,601,470,352,020.42/3,786,226.05
6. Step 6: Final answer
   x = 2,800,009.88