Finding the Fourth Proportional to 3,916,065.81, 5,874,090.62 and 2,209,434.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,916,065.81 : 5,874,090.62 = 2,209,434.38 : x
2. Step 2: Convert to fraction form
   3,916,065.81/5,874,090.62 = 2,209,434.38/x
3. Step 3: Cross multiply
   3,916,065.81x = 5,874,090.62 × 2,209,434.38
4. Step 4: Simplify right side
   3,916,065.81x = 12,978,417,743,216.65
5. Step 5: Solve for x
   x = 12,978,417,743,216.65/3,916,065.81
6. Step 6: Final answer
   x = 3,314,147.00