Finding the Fourth Proportional to 2,175,964.67, 3,002,693.41 and 1,209,038.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175,964.67 : 3,002,693.41 = 1,209,038.51 : x
2. Step 2: Convert to fraction form
   2,175,964.67/3,002,693.41 = 1,209,038.51/x
3. Step 3: Cross multiply
   2,175,964.67x = 3,002,693.41 × 1,209,038.51
4. Step 4: Simplify right side
   2,175,964.67x = 3,630,371,966,413.22
5. Step 5: Solve for x
   x = 3,630,371,966,413.22/2,175,964.67
6. Step 6: Final answer
   x = 1,668,396.56