Finding the Fourth Proportional to 2,175,399.90, 3,002,532.12 and 1,208,862.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175,399.90 : 3,002,532.12 = 1,208,862.54 : x
2. Step 2: Convert to fraction form
   2,175,399.90/3,002,532.12 = 1,208,862.54/x
3. Step 3: Cross multiply
   2,175,399.90x = 3,002,532.12 × 1,208,862.54
4. Step 4: Simplify right side
   2,175,399.90x = 3,629,648,605,014.79
5. Step 5: Solve for x
   x = 3,629,648,605,014.79/2,175,399.90
6. Step 6: Final answer
   x = 1,668,497.18