Finding the Fourth Proportional to 2,175,960.42, 3,002,687.55 and 1,209,034.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175,960.42 : 3,002,687.55 = 1,209,034.26 : x
2. Step 2: Convert to fraction form
   2,175,960.42/3,002,687.55 = 1,209,034.26/x
3. Step 3: Cross multiply
   2,175,960.42x = 3,002,687.55 × 1,209,034.26
4. Step 4: Simplify right side
   2,175,960.42x = 3,630,352,120,025.46
5. Step 5: Solve for x
   x = 3,630,352,120,025.46/2,175,960.42
6. Step 6: Final answer
   x = 1,668,390.70