Finding the Fourth Proportional to 5,398,141.94, 8,090,665.56 and 3,964,907.89

Step by Step Solution

1. Step 1: Write the proportion equation
   5,398,141.94 : 8,090,665.56 = 3,964,907.89 : x
2. Step 2: Convert to fraction form
   5,398,141.94/8,090,665.56 = 3,964,907.89/x
3. Step 3: Cross multiply
   5,398,141.94x = 8,090,665.56 × 3,964,907.89
4. Step 4: Simplify right side
   5,398,141.94x = 32,078,743,714,195.27
5. Step 5: Solve for x
   x = 32,078,743,714,195.27/5,398,141.94
6. Step 6: Final answer
   x = 5,942,552.84