Finding the Fourth Proportional to 3,916,065.99, 5,874,090.90 and 2,209,434.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,916,065.99 : 5,874,090.90 = 2,209,434.57 : x
2. Step 2: Convert to fraction form
   3,916,065.99/5,874,090.90 = 2,209,434.57/x
3. Step 3: Cross multiply
   3,916,065.99x = 5,874,090.90 × 2,209,434.57
4. Step 4: Simplify right side
   3,916,065.99x = 12,978,419,501,782.41
5. Step 5: Solve for x
   x = 12,978,419,501,782.41/3,916,065.99
6. Step 6: Final answer
   x = 3,314,147.29