Finding the Fourth Proportional to 2,175,990.26, 3,002,806.89 and 1,209,095.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175,990.26 : 3,002,806.89 = 1,209,095.69 : x
2. Step 2: Convert to fraction form
   2,175,990.26/3,002,806.89 = 1,209,095.69/x
3. Step 3: Cross multiply
   2,175,990.26x = 3,002,806.89 × 1,209,095.69
4. Step 4: Simplify right side
   2,175,990.26x = 3,630,680,853,587.27
5. Step 5: Solve for x
   x = 3,630,680,853,587.27/2,175,990.26
6. Step 6: Final answer
   x = 1,668,518.89