Finding the Fourth Proportional to 2,109,613.36, 2,911,280.42 and 1,142,743.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,613.36 : 2,911,280.42 = 1,142,743.65 : x
2. Step 2: Convert to fraction form
   2,109,613.36/2,911,280.42 = 1,142,743.65/x
3. Step 3: Cross multiply
   2,109,613.36x = 2,911,280.42 × 1,142,743.65
4. Step 4: Simplify right side
   2,109,613.36x = 3,326,847,213,324.33
5. Step 5: Solve for x
   x = 3,326,847,213,324.33/2,109,613.36
6. Step 6: Final answer
   x = 1,576,993.81