Finding the Fourth Proportional to 2,139,410.01, 2,952,408.92 and 1,172,519.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,139,410.01 : 2,952,408.92 = 1,172,519.49 : x
2. Step 2: Convert to fraction form
   2,139,410.01/2,952,408.92 = 1,172,519.49/x
3. Step 3: Cross multiply
   2,139,410.01x = 2,952,408.92 × 1,172,519.49
4. Step 4: Simplify right side
   2,139,410.01x = 3,461,756,995,287.25
5. Step 5: Solve for x
   x = 3,461,756,995,287.25/2,139,410.01
6. Step 6: Final answer
   x = 1,618,089.56